4-pcs 1/2-inch 3/8-inch 1/4-inch Impact Socket Adapter and Reducer Set Cr-V Industrial Grade Impact Sockets Adapters.

About Item Product name: Reducing sleeve Material: CRV - Chrome Vanadium Steel Size: as shown(approx.) Feature  Surface treatment: blackened Functionality: DIY four-square head adapter, with a hexagonal handle to four-square rod for pneumatic drills, electric drills, pistol drills, electric screwdrivers and other hexagonal handle tools used on the Packing: 4pcs/set