【Package Includes】: Includes 1/2-inch impactwrench adapter, 1/4-inch hex impact driver shank, 3/8-inch SDS Plus hammershank, 2pk O ring washers and steel pin.
【Widely Application】: This 1/2-20UNF, Keyless Drill Chuck Clamp Range 1.5mm to 13mm InDiameter for most brands of electric drills, as Makita, Craftsman, Milwaukee,Dewalt, Ridgid, etc.
【Self - tightening Ratchet Design】: No chuck key required. The ratchet clicks when tight or loose so youcan change bits in seconds and keep the job moving.
【High Qality】: Carbide tipped jaws gripthe bit tight and resist wear, staying strong and reliable long after hightorque jobs are done.
【Convenient and Pactical】: Easily convert your rotary hammer/impact wrench/impact Screwdriverinto a drill rather than spending money having multiple.