The legendary Al Merrick fin template by Channel Islands Surfboards. 4.50" (medium) fin size, designed with riders 165lbs and under in mind. Five fin set, designed to be ridden as a thruster or quad fin set-up. 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: 4.52" Base: 4.50" Area: 14.99" ^2 Foil: Flat CENTER FIN: Depth: 4.36" Base: 4.49" Area: 14.63" ^2 Foil: 50/50
