Felo 0715751401 Set of 7 Insulated Phillips & Slotted Screwdrivers, 613 Series Blades made of Chrome Molybdenum-Vanadium steel with black tip for precision fit Handle made of cellulose-acetate giving impact resistance and exceptional durability Insulated screwdrivers are individually tested for applications up to 1,000 volts Anti-roll handle with hole in handle to insert lever and easy storage Lifetime warranty - we will replace it free of charge