The legendary Al Merrick fin template by Channel Islands Surfboards. 4.75" (large) fin size, designed with riders 165lbs and over in mind. Thruster fin set, includes 3 fins. RTM - Tech 1 The Tech 1 honeycomb hexagonal core combined with teh Al Merrick template offers a medium flex pattern, making this fin a versatile option for a wide range of surfing abilities. Tech 1 is designed to perform in a variety of conditions and has a wide base for drive off of the bottom, more rake for big carves, and a finer tip for release off of the top. The signature CI smaller center fin frees up the tail. Futures ride # of 4.6, a balance between spring and control. Material: Polyester resin and fiberglass construction. Unique core reduces resin content and weight. Proprietary fiberglass weave and orientation is designed for maximum response and performance. Versatile high performance option. SIDE FINS: Depth: 4.72" Base: 4.63" Area: 15.93" ^2 Foil: Flat CENTER FIN: Depth: 4.48" Base: 4.61" Area: 15.20" ^2 Foil: 50/50
