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Length 52mm x Width 25mm x Thickness 12.5mm. Plastic Encased Ferrite Block.
Approx Pull Strength 2.33kg.
Polarity Identifiers: Red = South Pole Green = North Pole.
Very strong! Use these magnets to determine north and south poles when working with other magnets or metals. Also ideal for educational purposes as their durable plastic case makes them safe to handle.
Popular as a promotional tool - stick your company logo on and they make a nifty business card. These can also be used as a health magnet. Face the North pole to your body for temporary pain relief.