Suitable for cutting stainless steel, various non-ferrous metals, ceramics, marble, rails, glass, etc. Tough abrasive cutting discs are perfect for rebar, stainless steel, pipe, iron, copper and other ferrous metals.cutting super-fast and clean. Made of proprietary aluminum oxide grain and reinforced by double fiberglass mesh, durable. Thickened steel center ring increases the clamping strength for safe and fast cutting.