Full VDE/GS Certification: Each voltage tester is rigorously certified according to DIN VDE 0680-6:2021-08, ensuring European safety standards for use, providing peace of mind to professionals and. Superior C60 Steel Construction: Using hardened and galvanized C60 steel, these standard testers effectively resist corrosion and prolonged wear, making them suitable for use in harsh environments. Enhanced Visibility and Accuracy: Screwdriver tester transparent design with red details not only makes it easy to quickly read the results but also ensures increased accuracy when checking electrical phases. Ease of Use for Quick Tests: Designed for simple and effective phase testing, these 220v tester screwdrivers allow easy handling, making diagnosing electrical problems quick and hassle-free. Versatility of Application: Suitable for a Wide range of vehicle and electrical applications, these tester screwdrivers are ideal for automobiles, motorcycles and other systems requiring frequent voltage checks.