... (#)Used forDiameter(mm)36,46,60,80,120,180,240,320,400,600,800,1000,1500Trapezoid140Granite,Quartz stone170Granite,Quartz stoneFrankfurt104Marble,Artificial ... Quartz stoneBarrel-shaped25-100Granite,Marble,Artificial stone and Quartz stone Perfect Grinding Effect Granite Abrasive Polishing Brush