3-in-1 Keyless Drill Chuck Adapter, 1/2″-20 UNF Thread, 1.5-13mm Capacity,
【DESIGNED FOR IMPACT TOOLS – VERIFY COMPATIBILITY】: Features a standard 1/2″-20 UNF external thread to replace the sleeve on impact drivers and wrenches. NOT COMPATIBLE with standard drills or any tools that have a built-in, non-removable chuck.