Wiha 28118 - Ball End Hex & Hex Metric Drive-Loc VI Interchangeable Blade 4.0. High alloy CVM steel, through hardened, hard chrome finish. Ball end enables the user to work at angles up to 25deg. Over all blade length 150mm/5.9. Blades fit all Drive-Loc VI handles.

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