The magnets are there to simplify the location on the parts. Bicycle Magnetic Jig. The pitch (distance between center of letters) is 5mm. Allows you to impress up to 85mm long sentences. This has been used with success to stamp Bicycle identification number.
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WARNING THIS MAY WEAKEN THE LETTERS. GRINDERS, MOTORBIKE PLASTICS, ETC. IDENTITY AND SECURITY. IDEAL FOR SECURITY MARKINGS ON MACHINERY, TOOLS AND OTHER BELONGINGS. FOR STAMPING VIN PLATES CHASSIS OR ENGINE.
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