MA Ford 1 EdgeHog, Cylindrical Flat End Cabide Bur SA-9, Double-cut, Diameter: 1.0", Shank Diameter: 1/4, Overall Length: 3, Flute Length: 1, Finish: Uncoated, Material Base: Carbide, MPN: 41100027, Double Cut - The Flutes are ground in both the left and right hand directions, offering better operator control and rapid stock removal in harder materials.