NeoBurrĀ® FG 6 Round Operative Carbide Bur by Microcopy (USA). Engineered from a single piece of solid tungsten carbide with a standard friction grip shank and a 1.6 mm spherical cutting head. Specifically designed for efficient caries excavation, endodontic access cavity preparation, root canal unroofing, and conservative dentin removal in Class I, II, and deep restorative procedures.