Designed for precision and efficiency, the 3" x 1" aluminum oxide flap wheel is an essential tool for those working with both metal and wood materials. With an 80 grit rating, this flap wheel excels in finishing applications, making it ideal for use on ferrous and non-ferrous metals such as iron, steel, aluminum, and copper, as well as wood, plastic, and fiberglass. Engineered to withstand a maximum speed of 20,000 RPM, these flap wheels are compatible with die grinders, ensuring a smooth and effective grinding experience. Each pack includes ten wheels, providing ample supply for your projects, all manufactured in Italy to guarantee quality and performance.