Own the Wave US Box Center fin - 8 inch Glass Flex SUP and Longboard fin with Screw Hardware and Wax Comb SUPER STRONG 8" GLASS FLEX Fin constructed with Fiberglass reinforced Nylon composite materials. EXTREMELY VERSATILE - suitable for SUPs, Longboards and surfboards with US style centre fin boxes  and also fits universal style fin boxes. PROVEN DESIGN - This well proven fin shape provides the best compromise between straight line tracking and manoeuvrability/turning  critical to both SUP boards and longboards. It tracks well in a straight line (which helps paddling), provides excellent hold, and also turns easily. FREE SCREW and PLATE and WAX COMB - because 'Own the Wave' loves giving surfers more you get a free fin screw and plate, and an 'Own the Wave' combined Wax comb, Bottle Opener and hex key. BUY WITH CONFIDENCE - all products from Surf and Snow Warehouse are stored and shipped (quickly and reliably) to you by Amazon in the US - and all Own the Wave products have a TOTAL SATISFACTION guarantee. If it doesn't deliver what it is supposed to at anytime within 12 MONTHS of purchase, it will be replaced or you'll be refunded - your choice.