Walter Surface Technologies' ALLSTEEL cut-off wheel is designed for cutting steel and stainless steel, with a Type 27 profile that provides added clearance for flush cutting. The 4-1/2-inch wheel has a 3/64-inch thickness and a 7/8-inch arbor, and is OSA-certified. Free of iron, sulfur, and chlorine, it will not contaminate stainless steel; supplied in a pack of 25.