NeoBurrĀ® FG 7664 Long Taper Trimming & Finishing Carbide Bur by Microcopy (USA). Engineered from a single piece of solid tungsten carbide with a standard friction grip shank and an extended 8.2 mm long tapered multi-bladed cutting head. Specifically designed for broad anatomical contouring, smoothing large facial and lingual composite surfaces, shaping margins, and finishing restorative materials across wide axial planes without gouging enamel.