Made from rust resistant steel with black 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 Professional 9piece insulated screwdriver set with 1000V voltages protections and slotted bit ensures safe electrical repairs while offering grip on fasteners 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 Perfect for home appliance maintenance, computer repairs, motorcycle / bike adjustments, and other projects demanding insulated, slip resistant screwdrivers, Manufacturer: HVRFJXI