Description: 【Material】: This 600ml Pneumatic Caulking Tool is made of solid metal and sturdy ABS material, ensuring durability and long term use. 【Easy to Use】: The sealant tool is designed for simple operation, saving labor and increasing efficiency. It's great for both professionals and DIY enthusiasts. 【Adjustable Speed and No Overflows】: The Caulk tool features a fast exhaust system that prevents glue overflow, ensuring uniform application of adhesive. Plus, you can adjust the speed of the glue output to suit your needs. 【Exhaust Valve Feature】: The included exhaust valve minimizes the overflow of adhesive, making your work cleaner. 【Versatile Application】: This hand sealant tool is widely used in various industries such as photovoltaic, solar modules, bathtubs, fish tanks, building decoration, glass doors and window, electronic appliances, cars and auto parts, ships and containers, etc. Specification: Color: Multicolor Material: ABS, Metal Size Chart: 46cmx29.5cm/18.11inchx11.61inch Package Includes: 1 Set Caulking Tool