... grinding metal, stainless steel, cast iron, cooper, marble and granite, porcelain tile, glass and other working pieces, available type including flat wheels, ... , crankshaft wheels, edger wheels, cup wheels, dish wheels and other wheels, size available from from 8 to 1200mm, thickness ... 5 to 0.8mmRubber control wheels with brown and black color used with vitrified wheels for difference application.