FCS is an industry leading surfboard and stand-up paddle board fins and accessories company. FCS stands for Fin Control System and was designed and patented in 1995. The design allows you to have more versatility in the placement of your fins and the style of your fins attached to your surfboard or stand-up paddle board! The design also allows you to remove the fin easily for storage or travel and install it again with no problem. FCS is your first stop when looking to outfit your board with fins and accessories!