Pferd 62014 Flap Disc 4-1/2 x 7/8 40 Grit (Package of 10) Pferd Sale! from 5520 /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. Flap Disc, 4-1/2" x 7/8" Arbor Hole, Polifan, Z PSF Steelox, Zirconia, 40 Grit SKU:PFE 62014