Quick view Unknown Shaper Used Thruster Fins - Unknown Shaper - Used Fiberglass Thruster Fin Set CONDITION: These fiberglass and carbon thruster fins with a hexcore center are in excellent condition. A few extremely light and superficial scuffs and scrapes, but nothing at all that will affect performance. High quality fiberglass, carbon, and hexcore... Now: $49.99 MSRP: $64.99 Was: Add to Cart