Pferd 26052 Radius End Tree Carbide Bur SF-3 L6 Pferd Sale! from 2199 /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 3/8" Head Length 3/4" Cut: Double Shank Length: 6" Overall Length: 6-3/4" SKU:PFE 26052