10 pieces 3d Printers Extruder Parts U-groove idler pulley belt pulley bearing U604ZZ u ditch 604U 4*13*4mm

10 pieces 3d Printers Extruder Parts U-groove idler pulley belt pulley bearing U604ZZ u ditch 604U 4*13*4mm
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sku: 4000144254903
$4.99
Shipping from: China
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