JET Bit Socket, 3/8"" X 4"", Hex Ball, 4 mm (677274)

Bit SocketSockets forged from high quality Chrome Vanadium steel for maximum durabilityMade with a professional chrome polish finishKnurled ring on socket base provides enhanced gripHex bits are made of premium S2 steel to eliminate breakage and premature wearMade to the highest tolerances to provide a precise fit to the fastener