The Tolsen VDEline PREMIUM insulated changeable screwdriver set provides a versatile solution for electrical work, combining a single ergonomic handle with eleven interchangeable blades. This 12-piece collection includes seven slotted drivers ranging from 0.4x2.0mm to 1.2x6.5mm, three Phillips heads from PH0 to PH2, and a 3.0x70mm voltage tester, all crafted from S2-chrome vanadium molybdenum steel for lasting durability. Safety is central to the design, as the tools are certified to VDE/GS and EN/IEC 60900 standards, rated for 1000V AC and tested at 10,000V AC to protect you during live-wire tasks. The 31x105mm three-component handle is shaped to fit the hand comfortably, reducing fatigue during repetitive twisting. Everything stays organized in a practical cloth case or color box, making it a reliable choice for electricians who need a wide variety of tips without carrying a bulky tool bag.