80pcs Dental Composite Finishing Polishing Discs 12/14mm+2pcs Mandrel
80pcs=40pcs（12mm）+40pcs（14mm）. Total 80pcs=40pcs（12mm）+40pcs（14mm）. Dental Polishing Discs Gross Reduction Contouring Mandrel Stripes Set Dental Materials Teeth Whitening. 4 color-coded grits quickly slip onto supplied mandrel.