This DEWALT 142 Piece Mechanic's Tool Set with Case is a versatile choice with two pear head ratchets， a variety of sockets， extensions， universal joints and adapters. The set comes in a durable case featuring metal latches for added security. The 72 tooth count ratchets come equipped with a quick release button to easily attach or remove a socket. The sockets included DirectTorque technology to help prevent rounding of fasteners and provide better grip.FeaturesIncludes 72 tooth count ratchets which allow for a 5 degree arc swing for maneuverability in restricted areasRatchets include a low profile directional lever to help reduce catch points and for easy one-handed operationFull polish chrome finish for corrosion resistanceHard stamped markings on sockets and wrenches for easy identificationKnurled beauty rings help reduce slippage for hand tightening applicationsSpecifications1/4" Drive 6 pt. sockets: SAE 3/16， 7/32， 1/4， 9/32， 5/16， 11/32， 3/8， 7/16， 1/2， Metric 5， 6， 7， 8， 9， 10， 11， 12， 131/4" Drive 6 pt. deep sockets: SAE 5/16， 11/32， 3/8， 7/16， 1/2， Metric 9， 10， 11， 12， 131/4" Drive 6" Extension， 1/4" Drive Universal Joint3/8" Drive 6 pt. deep sockets: 5/8， 11/16， 3/4， 13/16， 7/8， Metric 16， 17， 18， 193/8" Drive 6" Extension， 3/8" Drive Universal JointCombination Wrench SAE 3/8， 7/16， 1/2， 9/16， 5/8， Metric 10， 11， 13， 14， 151/4"x3/8" Increasing Adapter， 3/8"x1/4" Reducing Adapter， 3/8" Spark Plug Socket 5/8"1/4" and 3/8" Pear Head Ratchet14 piece standard hex key set， 14 piece metric hex key setNut driver bit: SAE 5/32， 3/16， 7/32， 1/4， 9/32， 5/16， 11/32， 3/8， 7/16， 1/2， Metric 4， 5， 6， 7， 822 piece bit set with storage case3/8" Drive 6 pt. sockets: SAE 5/8， 11/16， 3/4， 7/8， Metric 16， 17， 18， 19Vinyl grip multi driverQuantity: 142 Pieces