A screwdriver is a tool for driving screws and often rotating other machine elements with the mating drive system. The screwdriver is made up of a head or tip, which engages with a screw, a mechanism to apply torque by rotating the tip, and some way to position and support the screwdriver. Electricians Screwdrivers are Insulated for up to 1000V. We stock the quality brands of screwdrivers to make sure they get the job done quickly and efficiently. Along with pliers, screwdrivers are an electricians best friend!