15x3 15x4 15x5 18x3 18x4 18x5 12x3 12x5mm Black Small Round Magnet Fridge Ferrite Magnet Round Speaker Magnet Permanent Magnet

15x3 15x4 15x5 18x3 18x4 18x5 12x3 12x5mm Black Small Round Magnet Fridge Ferrite Magnet Round Speaker Magnet Permanent Magnet

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