Craftsmen and hobbyists will find this item quite handy. It is used to drill tiny holes in your artwork and crafts. It has a black plastic body for a comfortable grip. 2 collets with small and large inlet holes for micro drills ranging from 0.5m to 1.3mm • 4 0.8 mm H.S.S. drills . It is sometimes referred to as a mini hand drill or MACHINE HAND DRILL craft tools or PCB drill.