Corded Drills, Drivers -Keyless Drill Chuck Highlights Generic Brand Keyless Drill Chuck Description: Quickly change your hex driver into a drill; Hand-tightening keyless chuck for easy bit changes Can be used with drill bits from 0.3mm up to size 3.2mm Keyless chuck converter to go from driving to drilling in seconds. The universal driver's 1/4-inch hex shank easily snaps into the power screwdriver. Unlimited used in automotive, garages, warehouses, offices, homes, etc. Specification: Material: Aluminum Alloy Total Length: Approx. 5.1cm / 2.0inch Clamping Range: 0.3-3.2mm / 0.01-0.13inch Package Include: 1 Piece Drill Chuck + Hex Shank Note: Please allow 1-3mm error due to manual measurement, please make sure you don't mind before you bid. Due to the different monitor and light effect, the actual color may be slightly different from the picture color.