Polising Discs: Diameter 14 mm: 48 pcs: � for gross reduction 12 pcs. � for contouring 12 pcs. � for finishing 12 pcs. � for polishing 12 pcs. Finishing and Polishing Strips: 25 Strips for Gross Reduction, 25 Strips for Contouring, 25 Strips for Polishing. mandrel, 1 pcs