Set of 20 magnets 3mm wide bottom base x 2mm wide upper base, 3mm thick x 20mm long Material: Neodymium (NdFeB) Grade: N48 Coating: Nickel (Ni) SKU# M20Wdg North Pole is on the 2mm upper base, south pole on 3mm bottom base, making these magnets easier to stack than to join end to end. These magnets find practical application in motors.
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