The cordless drill substantially reduces the labor necessary to complete many projects. As long as the battery pack has a full charge, you can use your cordless drill anywhere; you don't have to be near an electrical outlet.
Pliers are made in various shapes and sizes and for many uses. Some are used for gripping something round like a pipe or rod, some are used for twisting wires, and others are designed to be used for a combination of tasks.
A ratchet is a mechanical device that allows continuous linear or rotary motion in only one direction while preventing motion in the opposite direction. Ratchets are widely used in machinery and tools.
A screwdriver is a tool, manual or powered, for turning (driving or removing) screws. A typical simple screwdriver has a handle and a shaft, and a tip that the user inserts into the screw head to turn it.
A socket is a tool that attaches to a socket wrench, ratchet, torque wrench or other turning tool in order to tighten or loosen a fastener such as a nut or bolt by turning it.
