FCR ™ Torque Rings are a unique and innovative patented torque ring that allows you to upgrade your API connection for both tubing and casing, providing a high torque, power tight make-up. With its unique fulcrum-center design, the FCR ™ Torque Ring results in an internally flush bore for improved bending, compression & torsional resistance while being a drop-in ring helps to reduce fatigue and avoid connection galling.