Metal-bond diamond fine-squaring wheel 1,super high sharpness 2,low working noise 3,long working life Metal-bond diamond fine-squaring wheel ... and other building plates after the rough squaring. DescriptionMetal-bond diamond fine-squaring wheelOuter diameterø200mm,ø250mm,ø300mmSegment size20x5,20x8,10x10mmGrit100 ...