Product Description Replace wheels less often with Temper Point TM grains that are built tougher to maintain razor sharpness for up to 50% longer life. Get a longer lasting cutting edge that resists wear-and-tear with enhanced adhesion between the coated grains and resin. Efficiently cut a wide range of metals including carbon steel, stainless, and nickel-based alloys with the wheels thin designs and high-grain concentration. These wheels are exceptionally durable and are built with 2 sheets of fiberglass for optimized strength to help to reduce breakage. From the Manufacturer DEWALT High Performance .045-Inch Metal Cutting Wheels have a thin .045-Inch cutting edge design for fast burr free cutting. They have a proprietary aluminum oxide grain combination for aggressive cutting action and the proprietary material mix ensures durable long life wheels. They have 2 full sheets of fiberglass for durability and user safety. These wheels are ideal for high performance cutting in all types of ferrous metals and stainless steel.