Pferd 62523 Fiber Disc 5 x 7/8 36 Grit (Package of 25) Pferd Sale! from 6345 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Fiber Disc, 5" x 7/8", Zirconia, 36 Grit SKU:PFE 62523