1/4-Inch Quick Change Hex Shank 0.8-10mm Clamping Capacity Mount 3/8-24UNF
£7.82
With 1/4" Hex Chuck Adapter. Allows you to effortlessly hold round-shank drill bits from 0.8mm to 10mm (0.03-0.39") securely. It can NOT be used counterclockwise and NOT suitable for impact drivers or applications involving high torque load.