Quickly flash, bevel, smooth down and remove stock from welds on 400 Series stainless steel, hard carbon steel and soft carbon steel with this Gemini XXL A AO Type 27 grinding wheel. With 1/4-inch thickness, a depressed center and a high-performance bond, this wheel offers a rapid cut rate and excellent longevity. Coated with ceramic, the premium aluminum oxide surface delivers solid performance and quick turnarounds at the right price.