JET 1 Inch Drive Impact Socket Set - SAE 6 Point Deep Sockets with Torque Drive - 9 PiecesIMPACT SOCKET SET - JET's 1 Inch Drive SAE Impact Socket Set includes 9 pieces of 6 point deep length sockets: 1, 1-1/8, 1-1/4, 1-3/8, 1-1/2, 1-5/8, 1-3/4, 1-7/8, 2"EXTRA TORQUE - Innovative TORQUE DRIVE design contacts the fastener on the sides instead of the corners, reducing fastener rounding and providing up to 20% more torqueMORE PRODUCTIVITY - Chamfered edges allow easiest socket placement on fastener, increasing productivity and reducing frustration; Made of the finest quality S.A.E. 4140 Chrome Molybdenum high impact steelSTORE & ORGANIZE - Sturdy blow mould case with removable lid includedMEETS STANDARDS - Meets ANSI and U.S. Federal GGG-W-660A specifications