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. Kit contains: 5 x posts of size #0.5 Black 5 x posts of size #1 Red 5 x posts of size #2 Yellow 5 x posts of size #3 Blue 1 x Universal Starter Drill 1 x Finishing Drill size #1 Red 1 x Finishing Drill size #2 Yellow 1 x Finishing Drill size #3 Blue 1 x Size Selection Card