Yakamoz 0.3-6.5mm Keyless Drill Chuck Conversion Tool 1/4 inch Hex Shank Quick Change Adapter Converter Quick change 1/4-inch hex shank snaps easily into the power screwdriver. General hexagon handle input connection rod from 0.3mm to 6.5mm Easily the locks and releases drill bits, quickly convert your quick change hex shank driver unto a drill. Use in Automotives, Garages, Warehouses, Offices, Home and etc Please NOTE: It can NOT be used counterclockwise!!