Made of metal material. The plastic arm life time is about 3-6 month, our idler arm is made of alluminum and with bearing.much better than the plastic one.
Upgrade Bearing. The bearing with teeth, it can hold the filament tightly and easy to extrude filament, NEVER Skid.
Material:Metal
colour:black
Package Contents:
1 x prusa mk3 SidewinderOnly the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.