Using these Klein Tools diagonal cutting pliers is easy. Just grip the plastic-dipped handles firmly and position the wire between the jaws. Squeeze the handles to cut the wire. Make sure to keep your fingers away from the cutting edges to avoid injury. When not in use, store the pliers in a dry place to prevent rust. If the cutting edges become dull over time, you can have them sharpened by a professional. Don't use the pliers for tasks they're not designed for, like cutting extremely hard materials, as this can damage the pliers.