NeoBurrĀ® FG 7642 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 7.0 mm long tapered multi-bladed cutting head. Specifically designed for precise anatomical contouring, smoothing interproximal surfaces, defining line angles, and finishing composite and compomer restorations along axial walls without gouging adjacent enamel.