If a screwdriver slips it can damage adjacent components, or possibly cause injury. This is one of the oldest screwdriver types we know. Tiepai 7Pc Multi Insulated Screwdriver Set CRV High In contrast, the usual household screwdriver is also used as a prybar and even as a chisel. What is a slotted screwdriver used for . Torx (torx plus version, torx security version, star) buy at. Make sure you know how to drive screws like a pro otherwise you may damage a screw head and make it almost impossible to remove. Torque is the pressure applied when a device is turned clockwise or counterclockwise into place. An insulated handle and shaft protect against shock from accidental contact with live electrical circuits. Phillips head screwdriver is in almost everyone’s toolbox as it is very popular. 4.8 out of 5 stars. A screwdriver is a tool, manual or powered, used for driving screws.a typical simple screwdriver has a handle and a shaft, ending in a tip the user puts into th...