Engineered for precision and efficiency, these high-speed cut-off wheels from United Abrasives are designed to deliver fast cutting performance on a variety of materials. With a diameter of 4 inches and a slim thickness of 1/16 inch, these wheels are perfect for use with die grinders, boasting a maximum RPM of 19,000. They are specifically formulated for cutting through ferrous metals, including iron and steel, as well as stainless steel, making them an essential addition to any welding or metalworking toolkit. Each pack contains five wheels, ensuring you have the right tools on hand for your projects.