General description The Neilsen 13pc Vde Insulated Interchangeable Screwdriver set is designed for safe and efficient electrical work. This versatile set includes a single-pole voltage tester and a variety of interchangeable blades, making it suitable for various tasks. Technical specifications Voltage tester length: 140 mm Interchangeable blade sizes: Flat 1.2x6.5x100, 1x5.5x100, 0.8x4x100, 0.5x3x100 Phillips sizes: PH2x100, PH1x80 Pozidriv sizes: PZ2x100, PZ1x80 Torx sizes: T20x100, T15x100, T10x100 Safe working voltage: up to 1000 volts Blades tested for hardness and torque strength