Super-Snap Technique Kit CA - PN0500Contains: 100 standard disks 12mm, 80 mini disks 8mm, 40 polystrips, 2 Dura White Stones (shapes CN1 and FL2), CompoSite Fine Midi Point, 4 CA metal mandrels arranged in a semicircular rainbow organizer tray. Elastic silicone shank mount for easy placement of the disk onto the mandrel Manufactured without a metal center Very flexible, ultra thin disks allow easy access to interproximal areas Two sizes four grits (silicon carbide and aluminum oxide)