Tools are tools or instruments used to perform specific tasks or work. They are used to machine, shape, repair or assemble materials. Tools can be held and operated by hand or operated by machine.

There are a variety of tools for different applications. Here are some commonly used tools and their descriptions:

1. Hammer: A hammer is used to drive nails or remove nails or other fasteners. It consists of a heavy metal head attached to a handle.

2. Screwdriver: A screwdriver is used to loosen or tighten screws. It has a handle and a narrow, wedge-shaped tip that fits perfectly into the slot or hole of a screw.

3. Pliers: pliers are a tool with two handles that are used to grip, hold, bend, or cut materials such as wire or pipe. There are different types of pliers, such as combination pliers, flat nose pliers, or side cutters.

4. Saw: A saw is used to cut wood, metal, or other materials. There are different types of saws, such as hand saw, hacksaw or circular saw.

5. Wrench: A wrench is used to tighten or loosen nuts and bolts. There are different types of wrenches, such as adjustable wrench or box wrench.

6. Drill: A drill is used to drill holes in various materials. There are hand drills, which are operated by hand, and electric or cordless drills, which are operated electrically or by battery.

7. Measuring tape: a measuring tape is used to measure lengths or distances. There are different types of and lengths.