HART 4-Piece Impact Adaptor Set, Chrome Vanadium Steel

The HART 4 Pc. Impact Adapter Set is made from impact-rated CRV steel. These adapters offer superior strength during high torque applications. Set includes (1) 1/4-inch to 3/8-inch drive square adapter; (1) 3/8-inch to ½-inch drive square adapter, (1) 3/8-inch to ¼-inch drive square adapter and (1) 1/2-inch x 3/8-inch drive square adapter.