Chuck Adapter 1/2-20UNF 1/2 Inch Square Drive converter for Impact Wrench
Descriptions:Can transform power impact wrench to a drill.Specifications:Material: Carbon SteelSurface Finished: BlackeningMale Thread Size: 1/2-20UNFSquare Female Socket Size: 1/2″Total Size: 37.8 x 22mm(L*D)Package Contents:1 x Chuck Adapter1 x O-Rings1 x Pin.