The Grainger Approved Cut-Off Blade is a 14 inch diameter x .045 inch thick x 1 inch arbor hole abrasive cut-off blade designed for cutting metal. It features a reinforced fiberglass backing and silicon carbide abrasive grains for fast, smooth cutting action. This blade is ideal for cutting steel, stainless steel, cast iron, aluminum, copper and other metals. It has a maximum RPM of 9,300 and should be used with a saw guard for safety. This cut-off blade delivers high performance cutting action.