MA Ford 4mm EdgeHog, Cyl Flat End Miniature Carbide Bur SA-52M-F, Fine, Diameter: 4.0 mm, Shank Diameter: 3mm, Overall Length: 38mm, Flute Length: 12.7mm, Finish: Uncoated, Material Base: Carbide, MPN: 72010030M, Fine Cut - A general purpose right hand flute style designed for producing higher quality finishes, when removing less stock, with more operator control.