The QD2 3.75 Blackstix Finset is a small quad rear set with a ride number of 8.1. Want to turn your favorite thruster set into a quad? This pair of Quad Rears can be combined with all Futures Front Fins to suit your riding preferences, board design and waves. With an 80/20 profile, these Rear Fins deliver a blend of response and control. You'll prefer boards with the rear boxes placed closer to the rail and away from the centerline.
SPECIFICATIONS Rear Fin Area 10.73 Height 3.76 Base 3.71 Foil 80/20
