Insulated Screwdriver Set: Includes #0 Phillips and 1/3" Slot in 3" Round Shank, #1, #2 Phillips, and 1/7" Slot in 4" Round Shank, 4/1" Slot in 5" Round Shank, and 1/4" Slot in 6" Round Shank, meeting various electrical maintenance and installation needs. Safe Insulation: Each insulated screwdriver is IEC60900 insulation certified, ensuring safe operation under 1000V voltage and minimizing the risk of electric shock. This makes it ideal for professionals such as electricians, repair technicians, and others working with high-voltage equipment. Durable and Efficient: The electrician insulated screwdrivers set features CRV material for slotted shafts and SUP11 material for phillips heads, providing high hardness and durability. Equipped with black coated magnetic tips, it is easy to absorb the screws and improve work convenience. Ergonomic Anti-Roll Handle: The handle is made from non-slip TPE material and features an ergonomic design, ensuring comfortable grip even during extended use. The anti-roll design prevents the electrical insulated screwdriver from rolling off flat surfaces and provides extra torque, enhancing both safety and convenience. Convenient Storage and Portability: The included 900D polyester storage bag is tough and durable, effectively protecting the insulated screwdrivers from wear and dirt. The well-organized internal layout and elastic loops ensure that the screwdrivers are neatly placed, making them easy to access and store. Insulated Screwdriver Set: Includes #0 Phillips and 1/3" Slot in 3" Round Shank, #1, #2 Phillips, and 1/7" Slot in 4" Round Shank, 4/1" Slot in 5" Round Shank, and 1/4" Slot in 6" Round Shank.