Pferd 25162 Radius End 14° Taper Carbide Bur SL-4 Pferd Sale! from 3302 /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: Double Shank Length: 1-15/16" Overall Length: 3-1/16" SKU:PFE 25162