MA Ford 6.4mm EdgeHog, Cyl Flat End Miniature End Cut Carbide Bur SB-51M-D, Double-cut, Diameter: 6.4 mm, Shank Diameter: 3mm, Overall Length: 43mm, Flute Length: 4.8mm, Finish: Uncoated, Material Base: Carbide, MPN: 70000027EM, 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.