The Pro Aluminum Barrel Sausage Caulk Gun has an 18:1 thrust ratio, making it the ideal dispensing tool for a variety of building materials including acrylics, silicones, and polyurethanes. This easy-to-use, easy-to-clean caulk gun features a revolving aluminum barrel that accommodates both sausage foil packs and standard-sized cartridges. The no-drip quick-release lever and smooth piston rod ensure precise, consistent dispensing while minimizing waste. The ergonomic handle and trigger offer comfortable use during extensive projects.