The REAL Felco Heavy Duty Cutters. The Felco C7 is a powerful hand tool for cleanly cutting steel wire rope. Its patented triangular jaws ensures that strands are cut one by one leaving a clean end without crushing. The C7 features hardened steel blades and center bolt with plastic covering handles for a secure grip. It cuts wire rope up to 1/4 inch or 7 mm thick, high tensile steel strands up to 5 mm thick, stainless steel strands up to 4 mm, extra tough wire rope or stands up to 3 mm. In addition, the C7 cuts electric cables of copper, aluminum or steel-cored aluminum up to 7 mm, aluminum or copper rods up to 5 mm diameter, steel rods up to 4 mm and tempered steel spring wire up to 2 mm.