... for fast grinding, edge-trimming,smooth shaping and finishing of concrete,stone,or masonry material,etc. grinding wheel are designed for better ... peformance in grinding and polishing granite,marble,concrete,natural stone,masonry materials,etc. Oter diameterHole diameterSegment dimensioninchMilimeterthicknessHeight3”8022.23574 ... size of surface roughness diamond grinding cup wheel for stone