JET 3/8 Inch Drive Socket Wrench Set – SAE & Metric 12 Point Deep & Standard Length Sockets with Torque Drive – 45 Pieces. SOCKET 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 joint. 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 torque. MORE PRODUCTIVITY – Chamfered edges allow easiest socket placement on fastener, increasing productivity and reducing frustration; Made of high quality Chrome Vanadium steel. STORE & ORGANIZE – Sturdy blow mould case with removable lid included. MEETS STANDARDS – Meets ANSI, U. Federal Specs GGG-W-641E and Canadian Government Specs CDA39-GP-12b.