Now DEWALT has applied that same no-nonsense, Guaranteed Tough philosophy to its new line of heavy-duty hand tools. The DEWALT DWMT73801 mechanics Tool set is ideal for most fastening applications and includes both 3/8 in.Ratchets and sockets, nut driver and bits, and hex keys. Removable power tools accessory case. Quick release, 72-tooth ratchet for high torque ratcheting. Durable anti-slip vinyl grip bit driver with maximum comfort. Knurled beauty rings help reduce slippage for hand tightening applications.