Brazed diamond grinding wheel with bend edge Item no.HXH026 diameter: 4",4.5",5" diamond grit:30#,50#,100# Brazed diamond grinding wheel with bend edgeItem no.HXH026diameter: 4",4.5",5"diamond grit:30#,50#,100#Application: stone, steel, ductile iron, brick, wood, porcelain etc.