The MTM Gun Vise offers support for just about any kind of gun smithing or maintenance need. Single adjustment clamp down and secure non-marring hold. Plenty of room to organize and clean your favorite shotgun or rifle. The Gun Vise is made of polypropylene plastic to resist chemical solvents. It's built to last, bolt it down or place it on your work bench. It has rubber skid resistant feet to meet your cleaning needs.