Futures Alpha F4 Thruster Fins

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DESCRIPTION The F4 Alpha is a performance fin made in the USA. They are designed for small sized riders, and made with an exclusive composite that is carbon and air infused and lig hter than Honeycomb. They fall into the Balanced category on the Ride Number scale making them a great all around choice, because they provide enough spring to make it around sections while still maintaining some predictability and hold. DIMENSIONS SIDE FIN CENTRE FIN Height: 4.37" Height: 4.37" Base: 4.22" Base: 4.22" Area: 14.22" Area" 14.22" Foil: FLAT Foil: SYMMETRICAL Show more