PREMIUM MATERIAL: Grey nylon fiber wheels are made of non-woven nylon fibers, designed for effective initial polishing. Compatible with most angle grinders. This set is ideal for a variety of polishing and sanding tasks. Versatile: Ideal for polishing stainless steel, copper, aluminum and mild steel, as well as non-metallic materials such as glass, ceramic, wood and marble with fibre wheel for roughing, then switch to the wool disc for fine finishing. They effectively remove welds, rust, and paint without damaging the underlying ., Manufacturer: Akfldms