JET 3/8 Inch Drive Socket Wrench Set - SAE & Metric 12 Point Deep & Standard Length Sockets with Torque Drive - 45 PiecesSOCKET WRENCH SET - JET's 3/8 Inch Drive Socket Wrench Set includes 45 pieces of SAE & metric, deep & standard length sockets, as well as a 72-tooth high torque ratchet, 3" & 6" extensions, 8" flex handle, and 1-7/8" universal jointEXTRA 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 high quality Chrome Vanadium steelSTORE & ORGANIZE - Sturdy blow mould case with removable lid includedMEETS STANDARDS - Meets ANSI, U.S. Federal Specs GGG-W-641E and Canadian Government Specs CDA39-GP-12b