I've been using these fins for the past 5 years in all my good waves boards in a thruster set up with future boxes - my FRK and my Christenson Carrera that I rode at Cloudbreak.
The FRK has been ridden in good to epic Outer Banks waves and the Carrera was in big and wild cloudbreak - 6-8ft, windy and challenging...
The description is super accurate - "the perfect combination of release and drive." "stable feel giving it the speed control desired in powerful waves." "has a smaller center fin than the side fins for increased maneuverability."
This is the perfect Thruster fin set up for good waves.