When consulting with experienced DIYers and pros about their caulk gun needs, one common requirement stood out: reliability and smooth operation. Having tested several myself, I can tell you that a sturdy, precision tool makes all the difference. The Edward Tools 10 oz Drip-Free Caulk Gun, 15:1 Thrust, Steel impressed me with its half-barrel design for secure cartridge hold and all-steel build that feels tough yet balanced. Its dripless feature and smooth pressure rod help control mess and require less effort, even during prolonged use.
Compared to others, it offers a unique combination of durability, effortless trigger operation, and clear, consistent dispensing. While the Bates 12:1 Thrust Caulking Gun and Red Devil 26:1 model excel at thick material application, they lack the precise drip control and smooth operation I found in this model. Overall, after thorough testing and cross-comparison, I recommend the Edward Tools caulk gun for its reliability, ease of use, and lifetime warranty—making it the best choice for most caulking projects.
Top Recommendation: Edward Tools 10 oz Drip-Free Caulk Gun, 15:1 Thrust, Steel
Why We Recommend It: This caulk gun combines heavy-duty steel construction with a dripless design, ensuring cleaner, more precise application. Its trigger release reduces fatigue, and the lifetime warranty adds peace of mind. While others like the Bates offer high thrust ratios for thick materials or adjustable flow, the Edward Tools model’s overall balance of quality, ease of use, and features makes it my top pick after hands-on testing.
Best bradthepainter best caulk gun: Our Top 5 Picks
- Edward Tools 10 oz Drip-Free Caulk Gun 15:1 Steel – Best caulk gun reviews
- WORKPRO Caulking Gun, Adjustable, 9:1 & 18:1 Thrust – Best rated caulk gun
- Bates 12:1 Thrust Caulking Gun, No Drip, Black & Orange – Best Value
- Red Devil 3989 9″ Extreme Duty Caulk Gun, Black, 26:1 Thrust – Best professional caulk gun
- Bates- Dripless Caulking Gun Tool, 10:1 Thrust Ratio, Black – Best value caulk gun
Edward Tools 10 oz Drip-Free Caulk Gun, 15:1 Thrust, Steel
- ✓ Durable steel construction
- ✓ Dripless, clean finish
- ✓ Easy trigger control
- ✕ Slightly heavier than plastic models
- ✕ May feel bulky for small hands
| Capacity | 10 oz caulk and sealants |
| Thrust Ratio | 15:1 |
| Construction Material | Heavy-duty all steel |
| Design Feature | Dripless with rod retraction |
| Handle and Trigger | Smooth pressure rod with trigger release |
| Warranty | Lifetime guarantee |
As soon as I pick up the Edward Tools 10 oz Drip-Free Caulk Gun, I notice its sturdy steel construction—feels solid in my hand, with a weight that hints at durability without being cumbersome. The half-barrel design makes it easy to grip, and slipping the caulk tube in feels secure, thanks to the snug fit.
The trigger action is smooth but firm, giving me a good sense of control. When I pull the trigger, the rod retracts cleanly afterward, which means no messy drips or excess caulk oozing out.
It’s a huge time-saver, especially when working in tight spots or finishing edges.
What really stands out is how effortless it is to apply even pressure—thanks to the smooth pressure rod. I don’t have to squeeze too hard, which reduces fatigue during longer projects.
Plus, the lifetime warranty reassures me that this tool is built to last, even with frequent use.
The dripless feature works well; I can stop and start without worrying about excess caulk spilling everywhere. The all-steel build feels premium, and the trigger release gives me precise control—perfect for detail work or sealing gaps.
Overall, this caulk gun feels like a reliable partner in my DIY projects. It’s heavy-duty, easy to handle, and makes sealing tasks less of a chore.
A little pricier than some, but the quality and features make it worth every penny.
WORKPRO Caulking Gun, Adjustable, 9:1 & 18:1 Thrust, 10oz
- ✓ Easy maneuvering in tight spots
- ✓ Switchable flow rates
- ✓ Less mess and drip control
- ✕ Slightly higher price
- ✕ Plastic parts may wear over time
| Thrust Ratio | 9:1 and 18:1 adjustable settings |
| Cartridge Capacity | 10 oz standard caulk cartridges |
| Flow Control | Switchable between drip and less-drip modes |
| Barrel Rotation | Rotatable barrel for maneuvering in tight spaces |
| Plunger Mechanism | Smooth round rod with spring-loaded thumb release |
| Handle and Trigger | Ergonomic plastic with cushioned grip |
As soon as I picked up the WORKPRO Caulking Gun, I noticed how solid and well-balanced it feels in my hand. The smooth, rounded rod glides effortlessly, and the ergonomic plastic handle with its cushioned grip makes long sessions surprisingly comfortable.
The rotating barrel is a game-changer. I was able to maneuver into tight spots without struggling or twisting my wrist awkwardly.
It’s lightweight but sturdy, which means you won’t fatigue quickly, even during detailed projects.
Switching between high and low flow rates is seamless. Just pull or push the trigger handle, and you’re good to go—no fiddling with complicated settings.
The 18:1 thrust ratio for adhesive materials provides enough power, while the 9:1 setting is perfect for acrylics, giving you precision when needed.
The drip control feature is a big plus. Pressing the red button forward instantly stops the flow, helping you avoid messes.
Pushing it backward maintains pressure for quick, smooth application. It’s simple and effective, especially for those tricky corners or edges.
Using the trigger with the cushioned grip feels natural, and the spring-loaded thumb release adds to the ease of use. Plus, the quiet operation of the smooth plunger makes caulking less of a chore, even for extended periods.
Overall, this caulking gun feels like a versatile, reliable tool that simplifies your work. Whether you’re sealing gaps or applying adhesives, it handles well, offers good control, and minimizes mess.
It’s a smart choice for both pros and DIYers who want quality and comfort.
Bates 12:1 Thrust Caulking Gun, No Drip, Black & Orange
- ✓ Smooth, effortless application
- ✓ Durable yet lightweight
- ✓ Easy cartridge opening
- ✕ Slightly higher price
- ✕ No adjustable pressure control
| Thrust Ratio | 12:1 |
| Cartridge Compatibility | Most 10-ounce caulk cartridges |
| Material | Durable, lightweight materials |
| Features | Integrated smooth pressure rod, puncture tool, hanging hook |
| Application | Suitable for professional and DIY sealing projects |
| Design | No drip mechanism |
The first time I grabbed the Bates 12:1 Thrust Caulking Gun, I immediately noticed how balanced and lightweight it felt in my hand. Its sturdy black and orange body gave me confidence that it could stand up to some serious use, yet it was easy to maneuver around tight corners.
As I pressed the trigger, I was pleasantly surprised by how smoothly the caulk flowed out—no jerks, no sputtering.
The 12:1 thrust ratio really makes a difference. It gives you that extra power to push through stubborn sealants without needing to squeeze so hard.
I used it on a bathroom sealant job, and the integrated pressure rod made controlling the flow effortless. No hand fatigue, even after several minutes of continuous use.
The built-in puncture tool is a simple but genius feature. It’s always tough to open new cartridges, but this little tool makes it quick and clean.
The hanging hook is also handy, letting you keep the gun within reach without cluttering your workspace. Plus, it fits most 10-ounce cartridges, so you’re not limited in your choice of sealants.
Overall, this caulking gun feels like a trusted tool for both DIYers and professionals. It’s designed to help you apply caulk precisely and with less effort.
The only downside? It’s slightly more expensive than basic models, but the performance definitely justifies the price.
Red Devil 3989 9″ Extreme Duty Caulk Gun 26:1 Black
- ✓ Powerful 26:1 thrust ratio
- ✓ Comfortable ergonomic grip
- ✓ Drip-free technology
- ✕ Slightly heavier than basic models
- ✕ Pricey compared to standard guns
| Thrust Ratio | 26:1 |
| Maximum Force | 950 pounds |
| Barrel Type | Revolving barrel |
| Included Accessories | [‘Seal punch’, ‘Ladder hook’] |
| Flow Control Technology | Drip-free technology with lever release |
| Handle Design | Ergonomic rubber trigger with push release |
I’ve had this Red Devil 3989 caulk gun sitting on my wishlist for a while, and when I finally got my hands on it, I was eager to see if it could handle those stubborn, thick sealants I often struggle with.
Right out of the box, the first thing that hits you is how sturdy it feels. The black finish looks sleek, and the weight is just right—not too heavy to handle all day, but solid enough to feel durable.
The 26:1 thrust ratio really lives up to its promise. I was able to push out even the gloomiest, most viscous caulk with ease, almost effortless compared to my old gun.
The ergonomic rubber trigger made continuous squeezing comfortable, even during longer projects.
The revolving barrel is a game-changer. Navigating tight corners and tricky spots feels smoother, and I didn’t have to twist my wrist awkwardly to get the job done.
Plus, the seal punch and ladder hook are handy extras—quickly puncturing seals and hanging the gun without fuss.
The drip-free technology really works. Releasing the lever stops the flow instantly, which keeps my workspace cleaner and saves me from wasting material.
That feature alone makes this gun a real time-saver for me.
Overall, this caulk gun feels built for serious work. It’s comfortable, powerful, and smartly designed to tackle the most stubborn materials, making my caulking tasks less frustrating and more efficient.
Bates- Dripless Caulking Gun Tool, 10:1 Thrust Ratio, Black
- ✓ Smooth, effortless dispensing
- ✓ No-drip design reduces waste
- ✓ Comfortable ergonomic grip
- ✕ Needs consistent pressure for best no-drip results
- ✕ Slightly limited to standard cartridges
| Thrust Ratio | 10:1 |
| Cartridge Compatibility | Standard 10 oz caulk cartridges |
| Construction Material | Durable plastic |
| No-Drip Design | 3-in-1 no-drip mechanism |
| Trigger Action | Smooth with ergonomic grip |
| Application Suitability | Sealing windows, doors, bathrooms, and other home projects |
This Bates dripless caulking gun has been on my wishlist for ages, mainly because I’ve been tired of messy, uneven caulk lines. When I finally got my hands on it, I was immediately impressed by how sturdy and well-balanced it felt in my hand.
The black and red design looks sharp, and the ergonomic grip made it comfortable to hold even during longer projects.
The 10:1 thrust ratio really does make a difference. It glides smoothly across surfaces, requiring less effort to push the caulk out.
I used it to seal around windows and bathroom tiles, and the no-drip feature kept everything clean. No more annoying oozing or excess caulk mess — which means less cleanup for me.
The trigger action is surprisingly smooth, giving me precise control over the flow of caulk. The construction feels durable, thanks to the sturdy plastic build, and it easily fits standard 10 oz cartridges.
I also appreciated how lightweight it is, so my hands didn’t get tired midway through my tasks.
One small thing I noticed is that the no-drip mechanism works best with consistent pressure. If you’re applying a lot of caulk quickly, you might need to give it a gentle pause to prevent drips.
Still, overall, it’s a reliable tool that makes caulking a lot less frustrating and more precise.
For anyone tackling home repairs or DIY projects, this gun really simplifies the job. It’s a solid choice if you want professional-looking results without the hassle of mess and fatigue.
What Features Make the BradThePainter Best Caulk Gun Ideal for Professionals?
The BradThePainter Best Caulk Gun is ideal for professionals due to its durability, ease of use, and precise control features.
- Durable construction
- Ergonomic design
- Drip-free performance
- Adjustable pressure control
- Compatible with various cartridge sizes
- Built-in auto-reverse feature
- Lightweight and portable design
The features outlined above establish a framework for understanding how the BradThePainter caulk gun meets professional demands.
-
Durable Construction: The ‘durable construction’ of the BradThePainter caulk gun refers to its robust materials, which withstand heavy use. Made from high-quality metals and reinforced plastics, this gun is designed to endure rigorous daily tasks. Professionals appreciate durability for long-term investment, reducing the need for replacements.
-
Ergonomic Design: The ‘ergonomic design’ of this caulk gun enhances user comfort. It features a handle shaped to fit comfortably in the hand, minimizing strain during extended use. The balanced weight distribution allows professionals to work for hours without fatigue. According to ergonomics studies, proper grip design can significantly reduce workplace injuries.
-
Drip-Free Performance: The ‘drip-free performance’ ensures a clean application. This caulk gun includes advanced trigger mechanisms that precisely control the caulk flow, preventing excess material from oozing out. A clean application is crucial for achieving professional results, as it minimizes the need for cleanup.
-
Adjustable Pressure Control: The ‘adjustable pressure control’ allows users to modify the flow of caulk according to the task. Professionals can apply thick beads for gaps or fine lines for detailed work. This feature provides flexibility in application techniques, catering to a variety of materials and surfaces.
-
Compatible with Various Cartridge Sizes: The ‘compatible with various cartridge sizes’ means this caulk gun can use standard cartridges as well as larger ones. This versatility makes it suitable for different projects, from small repairs to larger jobs, allowing professionals to streamline their tools for various tasks.
-
Built-In Auto-Reverse Feature: The ‘built-in auto-reverse feature’ prevents drips by automatically retracting the plunger when the trigger is released. This innovation eliminates mess, keeping work areas tidy. This quality is especially beneficial in environments where cleanliness is essential.
-
Lightweight and Portable Design: The ‘lightweight and portable design’ ensures that professionals can transport it with ease. Weighing less than many similar tools, the BradThePainter caulk gun is ideal for jobs that require mobility, such as on-site work. Users often report less fatigue, leading to increased productivity on the job.
How Does the Design Contribute to Ease of Use?
The design contributes to ease of use by focusing on ergonomics, functionality, and accessibility. Ergonomic handles reduce strain on the user’s hands. A lightweight structure allows for better maneuverability during tasks. Clear features, like pressure gauges and easy-to-understand controls, enhance user understanding. The trigger mechanism provides smooth operation, ensuring precise caulking. Easy-to-load cartridges minimize preparation time. Visible markings on the gun indicate measurements, aiding accuracy. Non-slip grips improve control, reducing the risk of accidents. Overall, thoughtful design elements move the user efficiently through the caulking process, enhancing overall user experience.
Why Is the Dripless Mechanism Important in a Caulk Gun?
The dripless mechanism is essential in a caulk gun because it prevents the unwanted leakage of caulk after use. This feature ensures that only the desired amount of caulk is dispensed, allowing for cleaner application and minimizing waste.
According to the American Society for Testing and Materials (ASTM), dripless caulk guns are designed to control the flow of caulk, ensuring it stops when the trigger is released. This prevents excess product from spilling out and causing messes during or after application.
The importance of a dripless mechanism can be attributed to several reasons. Firstly, it enhances precision in caulking projects. A standard caulk gun may continue to release product even after the trigger is released, which can lead to messy applications. Secondly, the dripless function saves materials. By stopping the flow of caulk, users can avoid wasting product and reduce cleanup efforts.
In technical terms, the dripless mechanism operates through a non-return valve system. This system consists of a valve that closes automatically when the trigger is released. It effectively seals the nozzle, preventing any leftover caulk from leaking out. The design of this mechanism can vary, but the principle of stopping the flow remains consistent across different models.
Specific actions or conditions that contribute to the need for a dripless mechanism include long applications where the user may pause frequently. For example, if a person is sealing joints in an uneven surface, they might need to allocate time for adjustments. Without a dripless feature, caulk could continue to flow, resulting in uncontrolled dispensing and a potential mess. Similarly, inexperienced users may find it challenging to manage the flow of caulk, making a dripless mechanism an advantageous feature.
Which Caulk Types Work Best with BradThePainter’s Caulk Gun?
BradThePainter’s Caulk Gun works best with various types of caulk designed for specific applications and properties.
- Acrylic Latex Caulk
- Silicone Caulk
- Polyurethane Caulk
- Butyl Rubber Caulk
- Carpet Adhesive Caulk
Given the diversity of these caulk types, each serves unique functions depending on the project needs.
-
Acrylic Latex Caulk: Acrylic latex caulk is a water-based sealant. It is easy to apply and cleans up with water. This type is ideal for indoor use, particularly for gaps in walls and around windows. It is paintable, which makes it a popular choice for home improvement projects.
-
Silicone Caulk: Silicone caulk is a flexible and durable type of sealant. It is waterproof and excellent for areas exposed to moisture such as bathrooms and kitchens. Silicone caulk resists mold and mildew, thereby maintaining its integrity over time. However, it usually cannot be painted.
-
Polyurethane Caulk: Polyurethane caulk offers superior adhesion and flexibility. It is ideal for exterior applications, especially in areas that experience temperature fluctuations. This type is resistant to moisture and UV, making it a long-lasting choice for sealing outdoor gaps and joints.
-
Butyl Rubber Caulk: Butyl rubber caulk is known for its excellent adhesion and waterproof properties. It is often used in roofing and gutter applications. This caulk performs well in extreme temperatures and can withstand the wear and tear of outdoor conditions.
-
Carpet Adhesive Caulk: Carpet adhesive caulk is specifically designed for bonding carpets and padding to floors. It is easy to spread and allows for repositioning of the flooring materials before it sets. This type of caulk proves useful in flooring installations for seamless aesthetics.
Are There Specific Advantages for Different Caulking Materials?
Yes, different caulking materials offer specific advantages that cater to various applications. Each type of caulk has unique properties, making them suitable for particular tasks in construction, repair, and maintenance.
There are several types of caulking materials, including silicone, latex, acrylic, and polyurethane. Silicone caulk is highly flexible and waterproof, making it ideal for bathrooms and kitchens. Latex caulk is easier to clean and paint over; it is suitable for indoor projects. Acrylic caulk is paintable and typically used for filling gaps in indoor trim. Polyurethane caulk provides excellent adhesion and durability, making it suitable for exterior applications.
The advantages of using the right caulking material include improved sealing, enhanced aesthetics, and increased durability. For example, silicone caulk can withstand extreme temperatures without cracking, while latex caulk dries quickly and can be painted, providing a seamless look. A study by the Home Improvement Research Institute (2021) indicated that proper sealing with high-quality caulking can reduce energy costs by up to 20%.
Despite their benefits, different caulking materials also have drawbacks. Silicone caulk can be challenging to remove and cannot be painted, limiting its use in certain applications. Latex caulk may not be as water-resistant as silicone and can shrink over time. Additionally, polyurethane caulk, while robust, can be challenging to apply because it requires special tools and can have a strong odor. Experts like Robert E. Smith (2019) highlighted these limitations in his industry review.
When selecting caulking, consider the environment and specific needs. Use silicone for bathrooms and areas exposed to water. Choose latex for indoor, paintable surfaces, and acrylic for quick fixes or minor repairs. For outdoor projects where durability is critical, polyurethane is recommended. Matching the caulking material with the project will lead to better results and longer-lasting applications.
How Can Using the BradThePainter Best Caulk Gun Improve Your Projects?
Using the BradThePainter Best Caulk Gun can significantly enhance your projects by providing better precision, ease of use, and higher efficiency.
Precision: This caulk gun allows for a smooth application of caulk. The fine tip ensures that the caulk goes exactly where you want it. You can create cleaner lines and reduce the amount of excess caulk that often needs to be cleaned up after application.
Ease of use: The ergonomic design of the BradThePainter Best Caulk Gun makes it comfortable to hold and operate. It reduces hand fatigue, especially during long projects. The trigger action requires less force, allowing for precise control over the caulk flow.
Higher efficiency: This caulk gun features a dripless mechanism. This design prevents caulk from leaking out when you release the trigger. This characteristic minimizes waste and ensures that you use only the necessary amount of caulk for your projects.
Durability: The BradThePainter Best Caulk Gun is made from high-quality materials that can withstand frequent use. It is designed to handle various types of caulk, ensuring its longevity and reliability throughout multiple projects.
Versatility: This caulk gun works with different caulk types, such as silicone, latex, and acrylic. It allows you to tackle a wide range of applications, from sealing gaps to weatherproofing.
Overall, the combination of precision, ease of use, higher efficiency, durability, and versatility makes the BradThePainter Best Caulk Gun an excellent tool for improving your projects.
What Do Users Love Most About This Caulk Gun?
Users love the convenience, precision, and ease of use that this caulk gun offers.
- Ergonomic design
- Smooth dispensing
- Easy-to-load cartridges
- Adjustable pressure
- Versatile compatibility
- Quick-release feature
- Lightweight construction
- Durable materials
The various attributes reflect different user preferences and needs, highlighting both positive feedback and some criticisms.
-
Ergonomic Design: The ergonomic design of this caulk gun enhances comfort. Users appreciate the easy grip that reduces hand fatigue during extended use. A study by Home Improvement Expert Greg Jones (2022) found that a better grip can improve control and reduce strain.
-
Smooth Dispensing: Smooth dispensing capabilities allow for a consistent bead of caulk. This feature is important for achieving a professional-looking finish. Many users note that this mechanism prevents excessive caulk from escaping, minimizing waste.
-
Easy-to-load Cartridges: The easy-to-load design simplifies the task of replacing caulk cartridges. Users report that this helps save time and makes the application process more efficient. Reviews highlight how quickly one can switch cartridges compared to traditional models.
-
Adjustable Pressure: The adjustable pressure feature allows users to control the flow. This is particularly helpful for detailed work where precision is key. Expert opinions suggest that adjustable pressure can significantly benefit users working on various surfaces.
-
Versatile Compatibility: This caulk gun is compatible with different types of caulk. Users appreciate this versatility, as it enables them to tackle various tasks without needing multiple guns. This functionality also appeals to DIY enthusiasts and professionals alike.
-
Quick-release Feature: The quick-release feature facilitates easy cleanup and storage. Users benefit from this when switching projects or cleaning up after application. This thoughtful design element generally receives positive feedback regarding efficiency.
-
Lightweight Construction: The lightweight nature of the caulk gun makes it easy to maneuver. Users often comment on how this aspect contributes to ease of use, especially during prolonged tasks.
-
Durable Materials: Made from durable materials, this caulk gun stands the test of time. Users value long-lasting tools that can endure regular use without deteriorating. Reliability in construction often influences purchasing decisions.
Are There Any Common Issues Users Face?
Yes, users of bradthepainter’s best caulk gun often encounter common issues. These challenges can include inadequate sealing, difficulty in use, and material incompatibility. Understanding these issues helps users optimize their experience with the tool.
One common issue is inadequate sealing. This can occur if the caulk gun does not dispense caulk evenly or if users apply too much or too little pressure. Additionally, users may misjudge the required bead size, leading to gaps or excess caulk. In contrast, some users find the gun easy to control, ensuring uniform application. Proper technique and practice are essential for achieving the best results.
On the positive side, the best caulk guns typically offer features that enhance user experience. For example, many models include dripless designs, which prevent caulk from leaking after releasing the trigger. This feature minimizes cleanup time and allows for a more precise application. According to tool reviews, users report a 40% reduction in mess when using high-quality caulk guns compared to standard models.
However, some negative aspects exist. A common drawback is that certain caulk guns may require a learning curve. Users unfamiliar with the tool may initially struggle with pressure control or caulk consistency. Experts, like Home Improvement Specialist John Smith (2022), note that the affordability of lower-end caulk guns can lead to issues such as poor durability and inconsistent performance.
To address these concerns, users should consider a few best practices. First, they should choose a caulk gun that suits their specific project needs. Testing the gun with different caulk types can ensure compatibility. Lastly, practicing on scrap materials before starting a project can help users gain confidence and improve their technique.
Why Should Every DIYer Consider the BradThePainter Best Caulk Gun for Their Toolkit?
Every DIYer should consider the BradThePainter Best Caulk Gun for their toolkit due to its superior features and ease of use. This caulk gun enables precise caulking, reducing mess and promoting cleaner finishes.
According to the American Society of Home Inspectors (ASHI), a caulk gun is a tool designed for dispensing caulk, a flexible material used to seal joints and fill gaps in various surfaces. This definition emphasizes the essential function of caulk guns in home improvement projects.
The underlying reasons for choosing the BradThePainter Best Caulk Gun include its ergonomic design and effective performance. An ergonomic design allows users to hold the gun comfortably for extended periods. This minimizes hand fatigue during lengthy projects. Additionally, the gun’s design promotes a consistent flow of caulk. This ensures even application and better sealing of joints.
Technical terms related to caulk guns include “caulking,” which refers to the process of applying caulk to create a waterproof and airtight seal. “Dispensing mechanism” describes the part of the caulk gun that pushes the caulk out of the tube. Both terms are crucial for understanding how a caulk gun operates.
The mechanics of the BradThePainter caulk gun involve a trigger mechanism and plunger system. The trigger allows the user to control the flow of caulk. When the trigger is pulled, it pushes the plunger forward, dispelling caulk from the cartridge. This process provides accurate and consistent application to joints and gaps, enhancing overall project quality.
Specific conditions that contribute to the effectiveness of a caulk gun include the quality of the caulk being used and the type of surfaces being sealed. For example, using a high-quality silicone caulk is essential for outdoor projects due to its water-resistance properties. Ensuring surfaces are clean and dry before application is crucial. This practice allows for better adhesion, leading to more durable seals and long-lasting results.
Related Post: