... polishing2. International standard Frankfurt type suitable for line polisher of 6, 8, 12, 16, 18 heads, such as BRETON, SIMEC, BARSANTI, etc ... Polishing very High efficiency4. Fine Glossness and Excellent LIfespanSize 105Grit#16, #24, #36, #46, #60, #80,#120, #180, #220, #240, #280 ...