Kit POM mini wheel for V-slot

V Slot & C Beam Wheels v slot wheel -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 video slot 3d gratis Complete kit includes all assembly hardware Precise smooth motion for light to medium duty applications ie: 3D Printer Flat surface with a V shaped outer

volatility in slot machines Linear rails require less maintenance and will not loosen over time like v-slot wheels certainly will However v-slot wheels are far cheaper and