Futures R3 Blackstix Tri Fin Set - XS/BlueFutures 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. Template Category Rake (drawn out drive) Construction Blackstix Ride Number Speed Generating 8. 8 Suggested Wave Type Open face Point break Size Grom (75 105 lbs)