Fiberglass side fins (side bites) compatible with Futures fin boxes. Designed to complement the single fin of a 2+1 surfboard for optimal performance, these all-round fins offer the stability and turn performance necessary for your setup. Ideal as side fins for long mid-length surfboards and longboards. In addition to nanazero surfboards, they are also suitable for surfboards with Futures fin boxes. *Please verify the specifications of the fin box before placing your order. *The order includes only the center fin. Side fins are not included. *This is a set of 2 fins, left and right. Install them with the logo side facing outward.