This upgraded VersaDrive Impact Driver adapter features:- Rapid-Lock, single handed loading- Quick Release collar for swift tool changeover- Knurled design for easy grip in damp and greasy conditions- Collar position prevents contact with work piece and accidental tool release- Hardened steel components with rust resistant finish- Industrial strength to easily handle the high torque of modern Impact Drivers- Converts standard 1/4 in. Impact Drivers for use with VersaDriveConverts hand held impact drivers for use with the VersaDrive system