The Roughneck Mains Testers are TUV and GS approved for determining the live terminal of electrical circuits. The Mains Testers have a one-piece moulded handle and blade insulation. They are made from a special, transparent plastic. Testing range: 100-250 Volts, 50Hz. 1 x Roughneck Mains Tester 140mm (5.1/2in)
