<p>Universal Drive hex shank for easy access to electric screwdrivers.[Wide application] Quickly convert any 1\/4 inch cordless electric screwdriver into a drill or grinder. One-handed operation ensures that your work is working properly.</p> <p>1\/4 inch hex shank - universal Drive 1\/4 inch hex shank for easy access to electric screwdrivers</p> <p>Quickly convert any 1\/4 inch cordless electric screwdriver into a drill or grinder</p> <p>One-handed operation ensures that your work is working properly</p> <p>0.3-6.5MM range - the chuck can be used with drills from 0.3mm to 6.5mm, making it perfect for fine drilling that is not possible with standard chucks</p> <p>colour:Silver + black</p> <p>Material:Aluminum alloy + carbon steel</p> <p>size:90mm length Hexagonal handle drill chuck Clamping range: 0.3 mm-6.5 mm with 1\/4 inch(6.35 mm)</p> <p>57 mm length Hexagonal handle drill chuck Clamping range: 0.3 mm-3.6 mm with 1\/4 inch(6.35 mm)</p> <p>61 mm length Round handle drill chuck clamping rang: 0.3 mm-3.4 mm with 1\/8 inch(3 mm )</p> <p>59 mm length Round handle drill chuck clamping rang: 0.3 mm-3.4 mm with 1\/16 inch(2.35 mm )</p> <p>Package Contents:</p> <p>4*Drill Chuck Quick Change Adapter</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>