Hand tools are a broad category of tools that are manually operated, as opposed to power tools which are powered by electricity, batteries, or other external sources. Hand tools are essential for various tasks in construction, woodworking, automotive repair, DIY projects, gardening, and many other fields. They are typically designed for specific functions and often require physical effort from the user to operate.

Some common types of hand tools include:

1. Screwdrivers: Used for tightening or loosening screws.
2. Wrenches: Used for tightening or loosening nuts and bolts.
3. Pliers: Used for gripping, bending, cutting, or twisting objects.
4. Hammers: Used for driving nails, shaping metal, or breaking objects.
5. Saws: Used for cutting wood, metal, plastic, or other materials.
6. Chisels: Used for carving, shaping, or cutting materials like wood or metal.
7. Hand drills: Used for drilling holes in various materials.