Insulated electric screwdriver kit: 3 Phillips screwdrivers (PH0 x 1 PH1 x PH2 x 1) 3 flat screwdrivers (3 mm x 1 5 mm x 1 6 mm x 1) 1 electroprobe with a nylon storage bag. /p> Premium Insulated Screwdriver: Made of premium CR-V with high hardness (HRC60), far exceeds hardness standard for longer service life. Bits Magnetic: Finished by black oxide and heat treatment, more magnetic for easier screws and anti-rust. Ergonomic and Powerful Torque: Non-slip TPR handle with 4 thumb grooves, comfortable control with torque force extra for high efficiency. Safety Electrical Repair: 7 x 1000V insulated screwdrivers covering all common screw sizes suitable for repairing household appliances, electronic products, door and window hinges, of an engine, etc.