Product Description Color:Black Material:Aluminium Alloy Chuck Capacity: 0.2-3.4mm Size:overall length 80mm -Holds small drills, deburrers, wires, files, reamers and other small tools that can be difficult to hold while working -Drill pin vise has a 3-jaw hardened steel keyless chuck and sturdy plastic handle that is ergonomic and easy to hold -Adjustable Pin Vise is the largest and most robust pin vise in our line up of tools; use it in both commerical and home applications -Compact size is perfect to go in a toolbox or in a pocket -Perfect for drilling wood, resin, jewelry, beads, plastic, walnut, amber, beeswax, olive nut, etc; not suitable for hard materials like stone, metal, glass,etc. -Mini hand drill chuck and twist bits for jewelry making, tool making, woodworking, electronic assembling.