Cenata YM8049 8-Piece 3/4 Inch Drive Standard SAE Heavy Duty Impact Socket Set are made of premium quality chrome molybdenum for superior strength and durability. This 6 point sockets are designed using the most up to date industrial specifications to deliver outstanding performance. Engineered specifically to stands up to the demands of both corded and cordless high torque impact drivers and wrenches. Coated with black phosphate to resist rust and corrosion. Package in a durable blow molded storage case.