Lightning fast and super fun, the FCS MR-TFX PC Twin Fins are Mark Richards signature retro fins that offer tons of speed for zippy, down the line action. Include the small center stabilizer fin to gain a little more control or run it as a true twin for ultimate freedom and maneuverability. Giving you a great balance of release and drive, the MR Twin Fins work best on traditional twins, small fishy boards or any broad tail groveler. This super twin set up will have you throwing snappy turns and tracing radical lines on blue walls of bliss.