Fiber Discs are your most efficient away to remove large amounts of metal and still have control. They are also safer than many bonded items due to their simple but highly effective construction. Our bonded resin fiber discs feature only electrostatically made discs, so all grains are placed in their ideal orientation for maximum cutting and efficiency. Sparks & Arcs offer great all-around Aluminum Oxide versions as well as premium options with Zirconium and Ceramic grains. In stock and ready to go.