MA Ford 3/16 EdgeHog, Spherical Miniature Carbide Bur SD-53, Standard, Diameter: 3/16, Shank Diameter: 1/8, Overall Length: 1-1/2, Flute Length: 5/32, Finish: Uncoated, Material Base: Carbide, MPN: 72050020, Single (Standard) Cut - A general-purpose right hand flute style is recommended when rapid stock removal and good workpiece finish are the parameters.