4PCS UM3 Ultimaker 2 Aluminum Alloy Frosted Slide Cross Block+Graphite Copper Sleeve For 3D Printe
Material: Aluminum Alloy
Application: Fit in Cross shaft 6mm, Transimission shaft 8mm of Ultimaker 3D Printer.Fit for: 3D printer
Graphite copper sleeves are less friction force and smoother than common copper sleeves.
Note: Timing belt is not included.
4x Slide Cross Block
4x Graphite Copper Sleeve