The Sealey Mains Tester Screwdriver is a VDE approved voltage testing tool designed for safely checking mains electrical circuits. This dual-purpose instrument combines a voltage tester with a functional screwdriver blade, making it an essential tool for electricians and contractors working with 100-250V electrical installations. Fully insulated construction ensures user safety when testing live circuits, with a moulded transparent plastic handle providing clear visibility of the internal compon
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