10mm keyless drill chuck tool accessory

Hand tightenning drill chuck, the part of hand electric drill Capacity: 0.8-10mm,1/32-3/8 inch Mount:3/8-24UNF For DIY user, professional AC&DC, Pnenmatic drill machinery. Features: 1.Human-based design, comfortable and positive gripping. 2.Using speciallized anti-thrust bearing to convert hand-applied torque into superior gripping force. 3.Two sleeve plastic,different colors available, To match drills