Cosmetic Neodymium Magnet, like perfume, lipstick, people use a pairs of 4 or 8 multipoles magnetized ring NdFeB magnets, when rotate the pipe, magnetic force can separate/attract another part. Usually these magnets are designed by N35 grade. Typical sizes are D23xD19x2.5 mm, D26.8xD19.8x2.5 mm
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