2 tab FCS1 style fitment large side bites, can also be used as quad rears.
 
Key Features & Specifications
Design Template: Similar to the Carver Quad template, featuring more sweep (rake) than the smaller FCS GL fin for increased maneuverability and powerful, drawn-out turns. [1, 2]
Material: Made from Glass Flex (GF), an engineering-grade polymer molded composite that replicates the flex and memory properties of traditional laminated fiberglass. [1, 2, 3, 4]
Fin Specs (Side Fins):
Base: 3.86" / 98 mm
Depth: 3.93" / 100 mm (or up to 4.74" depending on exact regional spec variations)
Area: 11.07"² / 7140 mm²
Sweep: 33.2°