For steel, stainless steel, cast iron, and wood. Made from standard corundum. The abrasives are tough and come in various grits for both preliminary and finishing work. There are different versions available for a wide range of applications. Suitable for grinding, smoothing, and polishing of ductile iron, gray cast iron, stainless steel, steel, non-ferrous metals, wood, and plastic. Also suitable for creating bevels. The speed should be adjusted according to the material being ground: high speed for steel, medium for wood, and low for plastic. Sanding belts are also suitable for reworking radii and grooves.