... -sharpening, sharp cutting, high efficiency, high resilience and best polishing, low roughness of work piece surface, less heat generating and ... .When you make an order, pls provide the following data:Type, Sizes (Diameter, Thickness, Hole, Width and depth of abrasive ... Bond, Grit, Concentration, Work piece material, Grinding process (wet or dry). dry grinding process diamond grinding wheel for caebide