evo.com | Lib Tech Fins > The Lib Tech 8" Longboard Fin was crafted to provide the ultimate balance of drive and freedom on Lib's Pickup Stick or Terrapin surfboards, but rest assured, it'll slot in nicely with virtually any single fin box set up. Upcycled Construction Since almost every surfboard in the world is basically an oval shape cut out of rectangular material, Lib Tech is saving the unused corners of their surfboards and making fins out of them. 8" Single Fin | Lib Tech 8 Longboard Fin 2025