The Zirconia Flap Sanding Discs are a type of cup grinding wheel designed for metalworking.
With a grade of 40 grit and made from zirconia alumina abrasive, these discs are suitable for most angle grinders with a size of 4.5 x 7/8. The fiberglass backing provides durability and reinforcement, and the 72 overlapped abrasive strips offer efficient sanding and a longer service life compared to c…