* Futures quad rear fins * Size: Large * Material: Carbon fibre * 80/20 Foil * Neutral template * Blackstix construction * Futures QD2 4.15 detailing * Colour: Smoke/Violet Convert your Thruster set effectively into a quad set with the new Futures QD2 4.15 Blackstix 80/20 HC Quad Rear Surfboard Fins. This rear fin set comes in a large size with  with an 80/20 foil, which is a perfect balance of control and response. This quad surfboard fins are compatible with any front Future fins depending on your preferred board design and riding preferences. It has a blackstix construction with a carbon fibre tip that makes it extremely lightweight and flexible. It has a neutral template that is best for all-around performance. This quad set comes with Futures QD2 4.15 detailing and comes in a smoke and violet colourway.