Feature: 1. HIGH EFFICIENCY GLUE APPLICATION: The pneumatic caulk tool is able to apply glue efficiently, saving time and effort, improving work efficiency and making your work smoother. 2. ERGONOMIC DESIGN: The handle is ergonomically designed, lightweight and easy to maneuver, reducing fatigue and improving work comfort, allowing you to operate continuously for a long time. 3. ACCURATE CONTROL: It can meet the needs of different projects, which is very practical and convenient. In addition, it can achieve accurate control to minimize the amount of glue overflow. 4. ALUMINUM ALLOY MATERIAL: The pneumatic caulk tool is made of aluminum alloy, which has the characteristics of strong stability and long life, and can work stably for a long time. 5. WIDELY APPLIED: Widely used in home maintenance and industrial manufacturing. It is able to resist the use in various environmental conditions, not easy to deform and crack, and not affected by the heat expansion and cold contraction of the weather. Specification: Item Type: Air Caulking Device Material: Aluminum Alloy Weight: Approx. 1433g / 50.5oz Product Size: Approx. 52x18.4cm / 20.5x7.2in. Package List: 1 x Air Caulking Device12 x Accessory1 x English Manual Note: 1. The air pressure to which the pneumatic caulking tool is connected should not exceed 10 kgf/cm² (10 bar).2. Before disassembling the pneumatic caulking tool, disconnect the connected air pressure cable.3. To ensure the proper functioning of the pneumatic caulking tool, any remaining sealant left on the pneumatic caulking tool after use should be wiped off with the manufacturer's recommended solvent (do not immerse the pneumatic caulking tool in the solvent).4. It is recommended that protective glasses be worn when using the pneumatic caulking tool.