Set of two (2) strong glass flex side bite fins with fiberglass reinforced nylon construction by 'BPS' . Fits to any surfboard, shortboard, funboard or longboard that uses FCS style fins. Side fins add power and drive to a single fin setup, plus control and stability. Each set comes complete with a BPS combined Wax comb, Bottle Opener and hex key. Buy any gear off us with complete confidence - all products from Surf and Snow Warehouse are stored and shipped (quickly and reliably) to you by Amazon in the US - and all BPS products are guaranteed with a 'next-level guarantee'. If it doesn't deliver what it is supposed to at any time for a FULL 12 months, it will be replaced or you'll be refunded - your choice. Thanks for looking at a product from our store - Surf and Snow Warehouse. We are a small family business that ONLY sells what we know and love - water sports gear. We know our products, use our products, and stand behind them 100% - So if you have any questions about using any of our products please just ask. Thanks!