HART’s 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" to 3/8” drive square adapter; (1) 3/8" to 1/2" drive square adapter, (1) 3/8" to 1/4” drive square adapter and (1) 1/2"x 3/8” drive square adapter.
