Jazz Polishers C2S Assorted Kit with Bur Block. Re-usable, RA latch-type. Includes a total of 8 polishers (one each: Medium grit: Flame, Knife Edge, Cup, Small Flame; Fine grit: Flame, Knife Edge, Cup, Small Flame). **Autoclavable bur black included** 8 polishers in bur block