ITEM NAME:3.5" Aluminum Small Jewelers Hobby Clamp On Table Bench Vise Mini Tool BE #aucsearchbutton #aucsearchbutton:hover { cursor: pointer;.Size:Maximum Jaw Opening: 30mm. Mounting Clamp Maximum Depth: 40mm. 1x Vice Clamp. Cast Aluminum Body - Steel Screw and Handle - High Strength and Light Weight. Great for Smaller Projects - Jewelry, Hobbyists, Crafts, Model Building, RC Cars and Planes, Electronics and Much More.