Features: Professional 9piece insulated screwdriver set with 1000V voltages protections and magnetic slotted bit ensures safe electrical repairs while offering superior grip on fasteners. Made from rust resistant steel with black treatments for enhanced durability, featuring ergonomic handles to reduce hand fatigue during prolonged use. Ideal for electricians, enthusiasts, and technicians requiring reliability tools for precise tasks in confined spaces or high voltages environments. Perfect for home appliance maintenance, computer repairs, motorcycle/bike adjustments, and other projects demanding insulated, slip resistant screwdrivers. Compact storage ready set includes 8specialized bits,a tester pen and a bag, maintaining tool organization while meeting professional hardness standards (HRC52/56) for long lasting performances. Specifications: Component: carbon steel Packing bag Size:Approx.18.5x20.5cm/7.28x8.07inch Features:Slotted Bit,75/100mm Length; Applicable scenarios: circuit maintenance, line installation Package Includes: 1set/9pcs Insulated Screwdriver(included a tester Pen) note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.