Combination pliers, sometimes referred to as "Lineman's pliers," are a particular kind of pliers that have multiple uses in one instrument. Usually, this will be both cutting and gripping. Electricians, laborers, and other craftsmen usually use them to bend and cut through electrical wires and sturdy metal wire.
Various screw types can be manually tightened or loosened with a screwdriver. A screwdriver is grasped by its handle. A screwdriver's shaft joins the handle and head. A screwdriver's head fits within a screw's head.