"One of the most popular wakesurf fins now in a pivot template for tighter turns and easier release. If you are riding F4 Blackstixs currently you need to check these out!"
What Futures says:
Futures Blackstix fins feature a V2 inside foil that generates and maintains speed throughout turns. The precision carbon and fiberglass matrix construction paired with specialized epoxy resin provides a very lightweight fin with incredible response, making your board feel livelier.
