FibreKor Fiber Posts, Refill, 1 mm, 30/Pk. FibreKor Fiber Posts are ready-made endodontic posts that are pliable enough to be shaped and cut according to the size of the canal and are the best alternatives to metal posts. Durable prefabricated fiber posts. Flexible for enhanced adaptability. Adheres to resin cement. Accommodates small, medium, and large canals. FibreKor Fiber Posts are ready-made endodontic posts that are pliable enough to be shaped and cut according to the size of the canal and are the best alternatives to metal posts. Built from glass fibers integrated into the resin matrix, these fiber posts offer maximum durability with their flexural strength of 1084 ± 78 and compressive strength of 536 ± 55.FibreKor Fiber Posts are compatible with resin cement materials and bonding agents and are developed to reduce the risk of root fractures. FibreKor Fiber Posts provide exceptional aesthetics, light transmittance, and radiopacity.