Diamond OG wheels : 1.for shape machinery 2.Diameter :100,150, 3.Thickness :8mm,10mm,12mm,15mm,19mm , 4: Grit :80#,150#,240# Diamond OG wheels :Name Model NO.Picture Size Packing Diamond OG wheelsS17100(150)*22*8MM Carton Diamond OG wheels S17100(150)*22*10MMCartonDiamond OG wheels S17100(150)*22*12MMCarton