Faithfull VDE screwdrivers are manufactured to EN 60900:2004 and individually tested at 10,000V before leaving the factory, guaranteeing a safe working limit of up to 1,000V to provide the maximum level of safety. The screwdrivers feature a two-component, slip-resistant, soft-grip handle with high quality Chrome Vanadium steel blades correctly tempered and hardened for high torque and strength. For use on terminal blocks, control cabinets, switches relay and sockets.