Model Number: DW-502-1-#0787 Brand Name: HUADA Key Specifications/Special Features: The agglomerates is made of first choice diamonds and high-quality resin, features that allow for a better cutting, removing and wearing than traditional magnesite toolsIt is a wide range product, advisable for use on value processing which requires high-level polishing and smoothingItalian newest technology introduced, can completely replace conventional abrasive grinding and polishing tools Code: Connection: Diameter (mm): Material polished: DW 502: Snail lock: 125-150mm Granite, marble, quartz Velcro: 125-150mm Grits: #30, 40, 60, 120, 150, 220, 300, 400, 600, 800, 1,200, 1,800, 3,500