Italy quality glass processing cup diamond wheel Manufacuturer Best quality Ten years' export experiences ISO ... 2001:2008 Italy quality glass processing cup diamond wheel Feature good sharpness, long product life, good stability ... The United States, Canada Certification ISO9001:2008 Certificate. Outer Diameter100mm, 125mm, 130mm, 150mm, 175mm HeightXWidth of work coating8X8mm, 8X6mm, 10X8mm ...