Hand Tool Safety Hammers, wrenches, chisels, pliers, screwdrivers, and other hand tools are often underrated as sources of potential danger. Hand tools may look harmless, but they are the cause of many injuries. In fact, an estimated 8 percent of all workplace compensable injuries are caused by incidents associated with hand tools. These injuries can be serious, including loss of fingers or eyesight. Hand tools can cause many types of injuries: Cuts, abrasions, amputations, and punctures. If hand tools are designed to cut or move metal and wood, remember what a single slip can do to fragile human flesh. Repetitive motion injuries....

Wrenches Wrenches—a very good name for this tool in that all too often it is the condition of a worker’s back after misusing a wrench. (Wrenched back, get it?) It is not only a back that can be injured, as we will see after our discussion. Guide for Discussion Proper Care Inspect on a regular basis Replace sprung jaws, cages and faces Replace all bent handles Keep the jaws sharp Keep the wrench clean and free of grease and oil. Proper Use Always use the proper size wrench for the job. Never use a shim to make a wrong size wrench fit a nut. ...