Futures Neutral Quad Rears (L) The Large Neutral Quad Rear fin pair, built in lightweight honeycomb construction, feature a neutral template and 80/20 foils that offer a balance of response and control. Looking to turn your favorite Thruster set into a Quad? This pair of Quad Rears can be combined with any Futures front fins to suit your riding preference, board design and waves. Template Category - Neutral (all-around | versatile) Construction - Honeycomb Size - Large (165+ lbs) Sold as a pair (left + right fins) to fit Future's shallow depth fin boxes Rear Fin Area 12.60 Height 4.15 Base 4.16 Foil 80/20