4pcs/lot Upgrade UM2+ 2 + UM2 Extended graphite copper sleeve Sintered Bushing self lubricating bearing 3D Printer Parts

4pcs/lot Upgrade UM2+ 2 + UM2 Extended graphite copper sleeve Sintered Bushing self lubricating bearing 3D Printer Parts
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sku: 1005003572380033
$6.37
Shipping from: China
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