MA Ford 1 EdgeHog, Spherical Carbide Bur SD-9, Standard Alt Diamond (Double), Diameter: 1.0", Shank Diameter: 1/4, Overall Length: 2-15/16, Flute Length: 15/16, Finish: Uncoated, Material Base: Carbide, MPN: 43100027, 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.