FCS II Connect SF Longboard Single Surf Fin Versatile, high performance LB fin for all conditions. Safe SoftFlex material. Soft Flex fins are molded using highly flexible urethane. For this reason they’re safe, and are ideal for beginners as they gain confidence in the water. No need for a plate and screw. Ability to adjust your fin position in the box mid surf. Easily insert or remove your fin in seconds. No fin key required. Designed to be used in most existing Longboard boxes. No new box required. Neutral, well balanced template. Versatile, high performance Longboard (LB) fin for all conditions. Offers a combination of drive, speed and response for modern longboarding. Turn and Connect: Seamlessly connect turns and move up and down the board. Based on the FCS Dolphin Longboard template. 2 + 1 Compatible.