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Rocker — Full Flat to Medium Rocker
Children under 6 months of age: please consult with a doctor before use
The F4 Alpha is a small size Balanced fin with a Ride Number of 5
100% Marine Grade Stainless Steel Swivels
Sally Fitzgibbons Thruster Medium Tiller fin Rocker — Full Flat toSally Fitzgibbon's 'SF' signature fin. Ideal for beach breaks. Overview Sally Fitzgibbon's signature fin. The smaller centre fin provides exceptional tail release. Ideal for beach breaks. Ideal Conditions Hollow steep waves, punchy beach breaks. Board Types Designed to fit the FCS II Fin System. Performance boards with shallow concave and moderate to low rocker. Fin Family Reactor: Find Speed. Speed, tight turns & snaps. Performance Core Performance