Round Cable Cutter - 40-40001 6 1/2" Cable Cutters with Closed Lock has the ability to make your life easier with its ability to Cut coaxial cable up to 0.42" in diameter and designed for copper wire only. Perfect for workshops and production use with its twin curved cutting blade action. Manufactured from high carbon steel and sprung jaws with a retention lock that keeps the jaws safely locked when not in use.