Lightweight and highly flexible, the Honeycomb 5.2" twin fins are compatible with Futures fin boxes, offering versatility that balances performance and drive. Taller than conventional keel fins, these fins are designed to strike a balance between performance and drive. They are suitable for a wide range of surfboards, including fish and shorter twin-fin surfboards. In addition to nanazero surfboards, they also fit surfboards with Futures fin boxes. Please ensure to check the specifications of the fin box before purchasing. This set includes 2 fins, left and right. Install them with the logo side facing outward.