Pferd 60462 Flap Disc 4-1/2x7/8 120 Grit Pferd Sale! from 802 /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 Z PSF, 4-1/2" x 7/8" Arbor hole, Polifan, Extra Steelox, Zirconia, 120 Grit SKU:PFE 60462