Wiha 13690 - Insulated Inch Hex L-Key 8 Piece Set. Insulation According to IEC 60900 specification, up to 1000 Volt. Individually Tested. Blade chrome-vanadium steel, hardened. Includes: 1/8, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8, 1/2
CVM 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. Molybdenum improves impact resistance as well as increases tensile strength and elasticity to prevent tool breakage and snapping.
WARNING: Cancer and Reproductive Harm—www.P65Warnings.ca.gov