MA Ford 1/4 EdgeHog, Cyl Flat End Miniature Carbide Bur SA-51, Double-cut, Diameter: 1/4, Shank Diameter: 1/8, Overall Length: 2, Flute Length: 1/2, Finish: Uncoated, Material Base: Carbide, MPN: 70010027, 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.