【MULTI-PURPOSE USE】: Top quality magnetic screwdriver set, 10 professional grade screwdrivers that are designed to serve a multitude of uses. | 【INSULATED】: 4pc 1000V Insulated screwdrivers and 1pc Voltage Tester 125-250V, Insulated blades for Electrical applications, Protects from electric shock up to 1,000 volts | 【PREMIUM MATERIALS】: Chrome vanadium steel with heat treatment, high hardness and good toughness and resistance, Black finish blade with magnetic tips which could conveniently attracts screws. | 【ERGONOMIC DESIGN】: Cushion grip handle for comfort and control,With ergonomic TPR handle and button on it, it helps you to use very easily. | 【Easy to carry】:All screwdrivers are packed in a rugged, compact carry case for storage and portability.