Works on cable sizes 2/0 to 750 MCM 21050 Easy to use – Insert cable and twist • Safely remove insulation on MTW/THHN/THWN-2 cable without nicking the wire 21051 • Clover design features 4 different wire sizes in one tool • Quicker, safer and more precise than a knife • Replaceable blades and robust design for extended tool life. Cat. No. UPC 0-92644+ Cable Sizes 21050 74150-0 350, 500, 600, 750 MCM 21051 74151-7 2/0, 3/0, 4/0, 250 MCM Cat. No.