Extremely versatile and designed for multiple applicationsJaw opening of 3-1/2 in.Cuts copper cable up to 1250 MCM and aluminum cable up to 1250 MCMSpecially hardened, rounded blades minimize cable distortion for professional quality every timeThe PowerBlade cable cutters are designed to cut cables quickly and efficiently. Compatible with most 12V or higher drills so that cutting is as effortless as pulling the drill's trigger. The Big Kahuna 1250 MCM Cable cutter has rock solid power designed blade for precision cutting. It has 3-1/2 in. wide jaw opening to hold large diameter cable. It cuts aluminum and copper wire/cable. Cutter leaves clean chopping without the "football" distortion makes it easy for quick wiring.