CT6023 - 1/2in Square to 7/16in Hex Impact Adapter With Quick Release

1/2" Square Drive to 7/16" Hex Drive  

Quick release chuck for fast and easy bit changes.  
Converts an air or power impact wrench into a drill or a ratchet wrench into a drive.  
Made from durable chrome molybdenum (CRMO) steel for strength and longevity.