... abrasive wheels ,green / white /red /brown grinding wheel,abrasive tools,sanding disc,vitrified / rubber / resin bond wheels with double side grinding ... ordinary carbon Steel,alloy steel,malleable cast iron,hrad bronze,etc. high tensile strength metal, off hand deburring, sharpening, ... as gray cast iron, bronze, brass, glass, ceramics, etc. When order wheels, please refer wheel shape, diamond grit size ...