... good brightness 3.high cutting efficiency NameGlass&Stainless Steel Polishing WheelMaterialAustrian Fine WoolSpecification300*22*30mm,Other ... , good brightness, high cutting efficiency. Polish stainless steel,glass,marble,crystal,jade ware ,precision instrument ... machine, straight line edger, irregular shape machine, multi-functional grinding machine, automatic beveling machine, etcCertificationISO9001: ...