Our Voltage Testing Screwdriver 140mm offers a safe and reliable way to test voltage from 70 to 250V AC with a hardened probe tip. It's perfect for use with terminal blocks, control cabinets, switches, relays, sockets and other electrical components, and is VDE approved with a frequency of 50 to 500HZ. Crafted with high-quality Cr-V, it’s an essential tool for any electrician’s toolkit.