Pferd 43242 Combidisc, Coarse Grade, 3" (Box of 25) Pferd Sale! from 7000 /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. 3" Dia Coarse Grade Conditioning Disc, Aluminum Oxide Abrasive Combidisc SKU:PFE 43242