How are Pliers are classified by?

Pliers and cutters come in various sizes and are classified by function and the type of nose or head .

Flat jaw tips are serrated for general gripping, bending, and twisting, etc .

Pipe grip is serrated for gripping cylindrical objects .

Joint cutters are used for shearing off steel wires .

Side cutting jaws are for cutting softer wires, eg copper, etc or stripping cables .