Resin bond diamond grinding wheel 1.Grinding efficiently 2.Good wear resistance 3.Reasonable price Resin bond diamond grinding wheel FeatureSharp, wear-resisting, polishing effect is good ... diamond,Positioning hole,Cooling holeShapeOG-2G-3G wheel,Trapezoidal Wheel (FA) ,Pencil Eage Wheel(PE) ,Peripherial Segmented Wheel (FE wheel ),Peripheral Segmented V-Wheel Machine Abnormity edge grinding machine ...