DEWALT has a well-earned reputation for designing and manufacturing guaranteed tough professional-grade, heavy duty hand tools. The DWMT73802 mechanics tool set is ideal for most fastening applications and includes 3/8 in. and 1/4 in. ratchets and sockets, combination wrenches, hex keys, nut driver, driver bits and more.  This set includes 142 pieces.  The set features a quick release, 72 tooth ratchet for high torque ratcheting; a durable anti-slip vinyl bit driver with maximum comfort; the Knurled Beauty Rings help reduce slippage for hand tightening applications; there is a removable power tools accessory case; and a handy organizing case.