OpenBuilds wheels for linear rails

Artillery 3D Printer V-Slot Wheels v slot wheels V groove wheels with two 625zz bearings used to run along aluminum extrusion on 3D printers or CNC Machines The bearings have a precision center spacer vue slot -Suitable for v-slot details if using 20 * 20 v-slot details We suggest that the distance of the two wheels is mm Packing List: 4 pcs: POM plastic V-type

vema197 V Slot & C Beam Aluminium Extrusion Profile Solid V Wheel, Poly Carbonate High Strength Wheels & Mini V Wheels Precision CNC Made