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Mains Testers 

Knightsbridge
90 - 1000 volt AC non-contact voltage detector pen with handy built in LED torch and pocket clip.Gives audio beep and visual red light indication if voltage...
£ 5.38
In Stock
Quicktest block, designed to safely test or demonstrate electrical products without having to wire them to a plug every time. Unit only, not supplied with...
£ 19.72
In Stock
Knightsbridge
Plug In BS 1363 Socket Tester with Audible Tone
£ 9.43
In Stock
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