evo.com | Lib Tech Fins > Got fins? The Lib Tech Poly Reinforced 5 Fin Set provides more options than you know what to do with, making this the last set you'll ever need. Tri, quad, five-fin, 2+1: the world is your oyster, pal. Firm Glass Filled Construction Two Lead Single Foil Fins 4.625" H x 4.44" Base One Double Foil Trailer Fin 4.56" H x 4.25" Base 5 Fins Key Included | Lib Tech Poly Reinforced 5 Fin Set 2027