Pferd 25167 Radius End Taper Carbide Bur SL-4 Pferd Sale! from 3911 /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. Shank Diameter: 1/4" Head Diameter 1/2" Head Length 1-1/8" Cut: INOX Overall Length: 2-3/4" SKU:PFE 25167