The Toolcraft mains tester features a 4 mm blade width and a 100 mm blade length, suitable for testing voltages ranging from 100 to 250 V AC. It serves as a 1 pole voltage tester, making it ideal for verifying electrical current presence. This versatile tool is commonly used by electricians for identifying live wires and ensuring electrical safety. https://elecena.pl/product/28555547/toolcraft-1601070-mains-tester-4mm-blade-100-250v-ac 2025-04-29 https://elecena.pl/product/28555547/toolcraft-1601070-mains-tester-4mm-blade-100-250v-ac 2025-07-30