30 x Micro Steel F623ZZ Flange Ball Bearings with 3x10x4mm. 10pcs F623ZZ Flange Ball Bearings with 3x10x4mm flange ball bearing. 30 pcs F623ZZ Flange Ball Bearings with 3x10x4mm. This item is manfactured with premium material for durable and long lasting use.
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