The legendary Al Merrick fin template by Channel Islands Surfboards. FRP (Fiberglass reinforced polymer) Made in the USA. Designed with riders 165lbs and over in mind. Quad fin trailers, two fins included.,MATERIAL: Fiberglass reinforced polymer construction takes the glass flex fin to an all new level. The polymer is injected with fiberglass to create a stiffer, more controlled, and durable fin.
PERFORMANCE: Designed to enhance controlled flex and responsiveness, while providing remarkable memory and durability. Al's design creates drive from the rake and base, while allowing pivot with the narrow tips and smaller center fin.
SIDE FINS:,Depth: 4.52",Base: 4.50",Area: 14.99" ^2,Foil: Flat,CENTER FIN:,Depth: 4.36",Base: 4.49",Area: 14.63" ^2,Foil: 50/50