These wire nippers have hardened jaws to cut up to 12 AWG copper wires without dulling. Plus it has a FOD catching clip that will hold the shipped ends of wires before they can fly off and become a safety hazard. It's also ESD save, which means that it will not hold a static charge, thus eliminating any chance of accidentally zapping your delicate electronics with static electricity. Convenient spring loaded handles makes it easy to do one-handed work in confined areas. 1 lbs (0.5Kg) shipping weight.