Keyless 1/2"(13Mm) Drill Chuck Drill Chuck Adapter For Impact Driver Quick Keyless Drill Chuck Shank Type: 1 x Hex Shank Hex adapter shaft, fit most Hex impact driver especially for screw impact driver for home Design: Classic 3-Jaws Design Ability Range: 1.5 - 10mm (1/16" - 1/2") Mount: 1/2"-20UNF Package Included: 1 x Drill Chuck Note: 1.Perfect accessory for your drilling tasks, save your time and energy Production Name: 1/2" Drill Chuck for Impact Driver 1/2"(2-13MM),Fits Bit: 1/5" - 1/2"(2-13mm),Suit for: Standard Impact Driver The 1/4" hex adapter is for screwdriver, fits most standard impact driver,Widely used for heavy duty drill work as to hard material such as drill hole on wall or stone Very Convient: With keyless design-drill chuck, easily lock bit or tools by hands,save your time and energy Durable: With high precision threaded and tapered tightly with rust-resistant Cr-coated body and sleeve electrophoretic enameling coating,it is very durable Ohmmonburged is the listing 's First and Original Builder and Provider, Only he can ensure the quality and service better