Pferd 24722 Radius End Tree Carbide Bur SF-5 Pferd Sale! from 2334 /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" Cut: Double Shank Length: 1-3/4" Overall Length: 2-3/4" SKU:PFE 24722