You get one pair of Aluminum 4" flanges perfect for grinders & one 5/8-11 female x 5/8-11 male arbor extension. All together an ideal accessory for the polishing pro!
This pair of solid aluminum flanges with a steel extender adds extra flexibility for your polishing grinding! Simply place one aluminum flange on each side of an Airway 3" center Bias Buff (sold seperately): https://williamsvillebuff.com/collections/buffing-wheels/products/airway-8-dia-white-cotton-buffing-wheel-centerless and add the extender by screwing it into the 5/8-11 threaded flange. Enables quick changes of buffing wheels while giving you "room to work" with polishing on your slow speed grinder. Always use eye protection/ PPE and buff away!