Lost, broke, or just want a spare? Don't let a missing fin ruin your next surf session. THURSO SURF Replacement Fin, designed exclusively for your 7'' Aero and 5'10 Lancer soft top surfboards. It guarantees a perfect fit, restoring the original performance and feel of your board right out of the box. Get back in the water with the part that was made for your board. This high-performance fin is engineered to elevate your surfing experience, providing the perfect balance of agility and control. Looking for fins for your other surfboards? We also offer Standard Future System fins in our store, perfectly compatible with a wide range of standard surfboards.