Up to 400% of aluminum radiopacity. Yields a post that flexes with tooth. Significantly reduces instances of root fractures. Natural and realistic esthetics. FibreKleer 4x Fiber Posts help create perfectly fitting restorations with lifelike aesthetics. Designed with a 400% maximum radiopacity and an unprecedented level of flexibility, FibreKleer 4x can bend with the tooth to absorb incoming stress and prevent compromising the tooth structure.Once in place, the post remains translucent, blending with other materials to make the restoration look natural. Each Fiber Post measures 1.00 mm and comes color-coded for convenient operation with the corresponding drill. Available in a large variety of sizes to achieve a great fit with the tooth while minimizing the need for cutting and shaping.