The FCS H1 Harley Ingelby Quad Fin Set is Harley Ingleby's XL signature template that delivers maximum speed and drive for powerful surfers. Harley is a true hybrid surfer, his surfing skills transcend longboarding to include a variety of different shapes from the modern shortboard to traditional fish designs. When he isn't competing on the longboard circuit or experimenting with new equipment, Harley travels the world documenting the essence of the surfing lifestyle. Harley Ingleby's signature thruster set comes with large center fin and is ideal for performance longboards, SUP's, and fish models. The Quad Set includes HI-1 Large side fins with PC-3 rears.