<https://boardsinthebay.com.au/products/fcs2-christenson-longboard-fin#product>
<http://schema.org/description>
"The 7.5\" to 8.5\" Christenson will work amazing in your favourite mid length board. Or step it up to the 9\" to 9.5\" for your everyday log.\nPerformance Glass\nPerformance Glass (PG) fins are machine cut from layers of solid fiberglass. These fins are stiff, and are widely used by pro level surfers because the integrity of the flex is maintained under immense force, and in the most extreme of conditions and situations.\nThe FCS II Tool-Less Longboard System\n\nNo need for a plate and screw.\nAbility to adjust your fin position in the box mid surf.\nEasily insert or remove your fin in seconds. No fin key required.\nDesigned to be used in most existing Longboard boxes. No new box required.\n"
<https://boardsinthebay.com.au/products/fcs2-christenson-longboard-fin>