NeoBurrĀ® FG 557SS Short Shank Crosscut Straight Fissure Operative Carbide Bur by Microcopy (USA). Engineered from a single piece of solid tungsten carbide with an ultra-compact friction grip short shank (FGSS) and precision crosscut flutes designed for rapid bulk cavity excavation, flat pulpal floor preparation, and amalgam removal in restricted posterior spaces and pediatric dentistry.