General description FLITI presents a comprehensive Set of 7 Insulated 500V Electrician Screwdrivers, designed for safety and efficiency in electrical work. This versatile toolkit includes a tester screwdriver, an insulated screwdriver with a handle, and a replaceable magnetic insulated screwdriver, making it an essential repair tool kit for both professionals and DIY enthusiasts. Technical specifications Material: Chrome Vanadium Steel Insulation rating: 500V Includes: 7 drill adapters Usage Ideal for use with a screwdriver handle or a sleeve electric screwdriver Practical for quickly tightening nuts, bolts, fasteners, etc.