Item # ROX30 Description: Unique waterway design for easy swarf removal. High segment designed for long product life. Beveled edge easily rides over lippage. For Use On: Marble, Engineered Stone, and Terrazzo Size: 3”, 4" Grits: 30, 50, 120, 220, 400, 600, 800, 1800, 3500, 8500 In the notes specify the grit & quantity of each