50PCS neodymium magnet 4*3mm 4mm*3mm strong rare earth neodymium NdFeB permanent magnets samples 4x3 mm magnet 4mm x 3mm

50PCS neodymium magnet 4*3mm 4mm*3mm strong rare earth neodymium NdFeB permanent magnets samples 4x3 mm magnet 4mm x 3mm
sku: 32797462589
$2.16
Shipping from: China
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