Clean and restore a variety of finishes with the D7210 medium grit TR (Type III) quick-change diamond disc. The unique diamond abrasive pattern lasts longer than standard coated and diamond discs and it delivers improved cut rates and finishes so you can easily detail glass, fiberglass, ceramic, carbide, composites and similar coatings. You can also produce intriguing metallurgical finishes on artistic creations, or scour rust and debris from other materials. This quick-change diamond disc features a medium grit, so it's ideal for cleaning, detailing and deburring and the back is color coded for convenient storage and retrieval.