Our 3M™ professional caulking gun is a high performance rod driven applicator gun for dispensing single-component 3M™ caulks, sealants and adhesives in collision repair. Its cast steel construction holds up under challenging conditions and its friction feed operation helps ensure smooth beads and professional results. Added features include a hanging hook and thumb-activated pressure release. When you need a little extra in a rod-driven applicator, our 3M™ professional caulking gun is designed specifically for professional application of 3M™ sealants, caulks and adhesives. The gun is designed for 1/10 gal cartridges, ensuring a precise fit with a range of 3M™ products. This friction feed applicator gun makes it fast and easy to create smooth beads for a variety of collision repair applications. Trigger-pull operation makes extruding the material easy and intuitive. The gun features a compact design including a curved hook for hanging on racks or walls and a thumb operated pressure release lever. Every major component of the 3M™ professional caulking gun is built from durable cast steel, including the barrel, rod, thumb release, handle and trigger for long product life.