A ratchet Wrench is a hand tool used for nuts and bolts to fasten, loosen and tighten. There are screws in buildings, some electronic objects and furniture that are hard to reach. Tightening hardware includes the nuts and bolts that secure the ends of these screws. Usually the body of a ratchet Wrench Is made of metal with a ratchet handle which is long and also it has a small hollow socket attachment. Sockets are pieces in various sizes and are used to adapt the wrench for tightening fastening the nuts and bolts.