KIT POM v-wheel for v-slot

Openbuilds Big V Slot Wheel Kit 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 valley of the gods 2 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

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