Keyless Metal Drill Chuck 0.8-10mm 3/8inch-24, 1/4inch Hex 1/2inch Impact Wrench Adapter for Impact Drivers, Electric Drills, Impact DrillsNote: The product cannot be used counterclockwise Not suitable for impact drivers or applications involving high torque loads.Material: Carbon Steel; Clamping Range: 0.8-10mm; Easily converts a power impact wrench into a drill; Tool-less accessories let you lock and release quickly and easily. of the Torque Thrust Bearing translates into greater clamping force. Converts a cordless electric screwdriver into a drill or sander in secondsColour:As ShownMaterial:MetalSize: 4 x 5cmPackage Contents:2 x hand-tight self-locking chuck6 x postOnly the above package content, other products are not included.Note: Light reflection 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.