Pferd 61837 Cone 2-3/4 x 3-1/2 (Package of 10) Pferd Sale! from 21520 /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. Cone Type 16, 2-3/4" x 3-1/2" x 5/8*11 Threaded Arbor Hole, 16 PSF SKU:PFE 61837