10pcs 3D Printer MK8 U604ZZ 604UU 4x13x4mm U-Shaped Bearing Extruder Round Wheel Gear Walking Guide Rail Bearings Fitting Pulley
Special Features
- 3D Printer MK8 U-shaped Extruder Bearing
- Size: 4x13x4mm
- Package Including: 10pcs Bearing
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