Replacement drill chuck:A 1/2 - 20UNF, 1.5 - 13mm self - tighten keyless drill chuck made of high - quality alloy steel. It has strong clamping force, good wear resistance and stable performance.
Self - tightening Ratchet Design:No chuck key needed. Ratchet sound prompts when tightening or loosening. Easy to operate and boosts work efficiency.
Wide Compatibility:With 1/2 - 20UNF thread and 1.5 - 13mm clamping range, it fits most electric drills like Milwaukee, Dewalt, etc.
Adaptable Shank Compatibility:Comes with a 3/8" to 1/2" adapter for seamless use with 3/8" SDS - Plus and 1/4" hex shanks.
Convenient and practical:Easily convert your rotary hammer/impact wrench/impact Screwdriver into a drill rather than spending money having multiple.