Tool/Equipment Image Appropriate Use Auto Specific? Torque Wrench Tightening nuts and bolts to a specific torque. In some situations, for example, attaching wheels, the fastenings need to be tightened to a specific torque so they are not too loose or become damaged by being over tightened. No Box Spanners General use of tightening nuts and bolts. Each end is a different size to reduce the total number of spanners required to cover a range of bolt sizes. The ends generally have 6 or 12 points to provide ease of use on hexagonal shape bolt heads. No Allen Spanners (Hex Keys) To drive in bolts or screws with hexagonal sockets. They have the advantage of providing 6 contact surfaces during use. No Ratchet Box Spanner Similar to a box spanner but more suitable in situations where rotational space is limited. The ratchet allows the spanner to be returned to its original position without the need for removing it from the fastening. Torque is applied in one direction, and free movement a...