This Jonard Tools RC-600 Ratcheting Cable Cutter is designed to cleanly cut copper (up to 600 MCM), aluminum (up to 750 MCM), and multi-conductor cable. This cable cutter features heat-treated carbon steel blades with induction-hardened cutting edges. An integrated spring-loaded mechanism automatically opens the handles for one-handed opening. The cushioned rubber grip provides a comfortable hold when using the cutter. Please note that this is not for use on ACSR or other steel cables.