1.5 13mm Capacity 1/2 20UNF Mount Drill Chuck with Chuck Key and 1/2 Inch Square Female Adapter for Air Impact Wrench Converter Conversion Tool

Clamping Range 1.5 mm - 13mm(1/16 inch - 3/8 inch) Mount: 1/2"-20UNF

Made of Chrome Vanadium Steel (CR-V), good rust resistance, wear resistance and durable.

Come with 1/2" square female socket adapter, easy-to-transform-power impact wrench to a drill.

Classic keyed 3-jaw chuck design can firmly secure various 1/16"- 1/2" shank drill bit, such as, twist bits step bit and bit.

Please Note!! This product can NOT be used counterclockwise ! Must be transferred to "hammer drill stalls", when you use the hammer chuck, other stalls will lead chuck broken!