This long mains tester screwdriver is used for detecting voltage in electrical circuits and components. With a 125mm (5in) blade, it is suitable for a range of installation and maintenance tasks by electricians or general trades on site.
The tool features an insulated handle and blade to assist safe operation during voltage testing. It is typically used for checking live terminals, sockets, and switches, with a neon indicator providing a clear signal when live current is present to help with fault finding and verification.
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