DEWALT has a well-earned reputation for designing and manufacturing many of the world's most reliable and best-performing professional-grade power tools. Now DEWALT has applied that same no-nonsense, Guaranteed Tough philosophy to its new line of heavy-duty hand tools. The DWMT73803 mechanics tool set is ideal for most fastening applications and includes 1/4 in., 3/8 in. and 1/2 in. ratchets and sockets as well as combination wrenches, hex keys, nut driver and driver bits.