A 400ml caulking gun is ideal for applying sealants and adhesives in various construction and DIY projects. Its large capacity reduces the need for frequent refills, making it efficient for larger tasks like sealing windows, doors, and cracks. A must-have tool for professionals and enthusiasts alike.
Features：
Mechanical advantage 26:1.
Black metal trigger.
Black aluminum alloy handle.
For dual cartridges (side by side), ratio 1:1 / 2:1.
