Size	Coarse #30/40	Medium #50/60	Fine #80/100
4” / 100mm	100C142-C	100C142-M	100C142-F
4.5” / 115mm	115C142-C	115C142-M	115C142-F
5” / 125mm	125C142-C	125C142-M	125C142-F
6” / 150mm	150C142-C	150C142-M	150C142-F
7” / 180mm	180C142-C	180C142-M	180C142-F
9” / 230mm	230C142-C	230C142-M	230C142-F