Stanley J4900BD Proto 3/8-inch Drive 7 Piece Ball Style Extra Long Hex Bit Set Ball style head to turn a hex fastener at different angles in hard to reach places. Made of alloy steel. Polished chrome finish. Set includes socket bar and socket clips. Extra long bits for additional reach. Proto 3/8" Drive 7 Piece Ball Style Extra Long Hex Bit Set Includes the following items: J4904BD, J4905BD, J4906BD, J4907BD, J4908BD, J4910BD, J4912BD, J2584, J2591.