4PCS Upgrade UM2+ 2 + UM2 Extended+ graphite copper sleeve Sintered Bushing self lubricating bearing 3D Printer Part Accessories

4PCS Upgrade UM2+ 2 + UM2 Extended+ graphite copper sleeve Sintered Bushing self lubricating bearing 3D Printer Part Accessories
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sku: 1005003527648201
$5.95
Shipping from: China
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