Fiberglass-reinforced polymer material: Increases fin stiffness and durability for long-lasting performance
Thruster fin design: Enhances controlled flex and responsiveness for precise maneuvering
Al Merrick template: Optimized for drive and pivot, supporting advanced surfing techniques
Multiple size options: Available in small, medium, and large to suit different rider weights and preferences
Flat foil center: Improves foil engagement and board control
Summarized by Shop
The legendary Al Merrick fin template by Channel Islands Surfboards. Made in the USA.
4.50" (Medium) fin size, designed with riders 165lbs and over in mind
Thruster fin set
Color: Floro Green
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
Fin Profile
Thruster
Material
Fiberglass-reinforced polymer (FRP)
Side Fin Depth
4.72 in (Large), 4.52 in (Medium), 4.36 in (Small)
Side Fin Base
4.63 in (Large), 4.50 in (Medium), 4.49 in (Small)
