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Pin and Ring

Pin and Ring

Checkfire

£0.47

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This stainless steel pin and ring provides added peace of mind that a fire extinguisher is in working order. It’s 4mm in diameter and fits into most extinguishers. • Diameter: 4.0mm

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Buy from CHECKFIRE LTDPrice seen 2026-09-19. Not an affiliate link, we earn nothing from it.

Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.