Product details:
Blade high alloy chrome-vanadium-molybdenum tool steel, hardened, hard chrome finish. Includes: 2.5, 3, 3.5, 4, 4.5, 5, 5.5, & 6mmCVM or Chrome-Vanadium-Molybdenum steel is a special, high strength, high performance alloy. Chromium improves wear resistance, hardness and corrosion resistance. Vanadium also improves the grain structure for a tougher tool.