Pferd 62529 Fiber Disc 5 x 7/8 50 Grit (Package of 25) Pferd Sale! from 6460 /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, Z-Cool, 50 Grit SKU:PFE 62529