Ergonomic handle design with soft zone for comfortable work Blade made of high quality CVM steel, through hardened and bronze plated Safety when working on live equipment equipment up to 1,000V AC or 1,500V DC This screwdriver set is ideal for all fine and delicate work on electrical and electronics equipment. The hardened blade of chrome-vanadium molybdenum steel will ensure a long lifespan. The handle with rotating cap enables rapid turning for the screwdriver and the precisely manufactured tip ensures a perfect fit in the screw head. Durable corrosion protection is provided with the chromed surface and the cap imprint with tip and size provides fast identification. Each screwdriver is individually tested in a water bath at 10,000 volts in accordance to IEC60900:2012. They are certified: GS, IEC & VDE.