Patented & exclusive X-RO fibers provide unparalleled Flexural Strength. Patented Illusion color-change technology eases size identification, removal. Exceptional radiopacity and light transmission. Micro-mechanical surface is ideal for bonding to any bonding agent system. Parallel coronal section offers maximum diameter for strength, surface area for adhesion. Proven, double-tapered shape conserves dentin, fits right out of the package. Can be a-traumatically removed in minutes. 10 posts of size #3