1.high speed cutting blades 2.long cutting life 3.nice grade diamond grain 4.diameter from 350mm-800mm 5 ... 7/8"16, 20, 22.231.8x7.0x356/7/84.3"1105/8", 20, 7/8"16, 20, 22.231.9x7 ... 250BMS-2501025050/6046/42.72.89CS-300BMS-3001230050/6042.8/40.33.09CS-350BMS-3501435050/6043.9/41.63.09CS-400BMS ... .1/41.24.29CS -600BMS-6002460050/6041.5/40.34.89CS -700BMS-7002870050/6041.5/40.35.29CS -800BMS-800328008041.5 ...