Bore 20mm Diameter 3inch 75mm Dry Vacuum Brazed Diamond Grinding Wheel Demi-bullnose Edge Marble Edging Profile Grinding Disc ,Easy to Use

1. High efficiency and several times better than electroplated 2. Can be used dry or wet. 3. Grinding on marble, granite , quartz , ceramics , artificial stone and glass, 4. Especially for concrete outside wall in building or decoration. 5. Partial flattening of floor and edging fine of marble or granite boards.