XCSOURCE 1/4" Power Keyless Drill Bit Chuck Adapter Converter Hex Shank Conversion BI147 Instantly convert impact driver to hold non-quick change drill & driver bits Quickly convert your quick change hex shank driver into a drill! Keyless chuck finger-tightens for easy bit changes Unlimited Use in Automotives, Garages, Warehouses, Offices, Homes Etc Material: Drop Forged Carbon Steel