The Coltene Alpen Carbide Bur FG 1156 Round End Fissure (R101156) is a high-performance tungsten carbide dental bur designed for precision cutting, cavity preparation, contouring and restorative procedures. Featuring a round-end fissure head design and friction grip (FG) shank, this bur delivers smooth, controlled cutting action with exceptional durability and efficiency in high-speed handpieces.