Description
Marine Speedometers work by measuring the speed of water coming into a tube compared to air pressure to give an estimated speed of a boat.
These 38mm round fridge magnets (magnetic badges) are individually hand-pressed in our workshop.
They have a steel front plate and durable plastic back which conceals a high-strength neodymium magnet.
The artwork is printed on photo paper and protected with a hardwearing clear polyester film.
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