1/2"(13Mm) Drill Chuck With 1/4" Quick Change Hex Drive And Wrench To Drill Drill chuck with Hxagon Drive Shaft Adapter Shank Type: 1/4-Inch Hex Shank Design: Classic 3-Jaws Design Ability Range: 1.5 -13mm (1/16" -1/2") Mount:1/2"-20UNF Package Included: 1 x Drill Chuck and 1 x Drill key Note: 1.Perfect accessory for your drilling tasks, save your time and energy 2.Please notice it is hexagon shape on handle, different from impact-wrench shape Production Name:1/2" Drill Chuck for Impact Driver(1.5-13MM),Fits Bit: 1/16" - 1/2"(1.5-13mm),Suit for: Standard Impact Driver Very Convient: With installed 1/2" Drive by 1/4" Hex adapter, very easily transform power impact wrench to a drill,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 Widely used for heavy duty drill work as to hard material such as drill hole on wall or stone?Include: 1 drill chuck with adapter, 1 drill lock key