Quick view Futures Futures Legacy Series "F4" Neutral - Like-New Thruster Fin Set – Small CONDITION: This Futures F4 Small Thruster Fin Set is in excellent, like-new condition! Near-perfect in every way. They were installed on a board, but we're not sure if they were ever surfed. They look, feel, and smell like a brand-new thruster set. Save... Now: $69.99 MSRP: $95.00 Was: Add to Cart