Pferd 24707 Radius End Tree Carbide Bur SF-3 Pferd Sale! from 2209 /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: INOX Overall Length: 2-1/2" SKU:PFE 24707