The FCS ARC Performance Core Medium Thruster Set is based on the "AM" / Al Merrick fin template.
Designed for radical, progressive surfing. Raked side fins produce exceptional speed and drive, the smaller centre fin offers quick release through turns.
* Original FCS(1) twin tab system. 

• Size: Medium / 65kg - 80kg.
• Fin Type / Set Up: Thruster / 3 Fin Set.
• Colour: Orange
• Ideal Conditions: Hollow steep waves, punchy beach breaks.
• Board Types: Suited for performance boards with deep concaves and moderate-to-extreme rocker.
• Fin System: Designed to fit the original FCS I Fin System. Will fit the FCS II Fin System when used with grub screws and the FCS Infill Kit. (Sold separately)
• Construction / Technology: Performance Core

Performance Core (PC) fins are made using a multi-layered resin transfer moulding process.
The flex pattern in PC fins extends progressively from the base through to the tip, helping to maintain drive and hold through a turn. 
This versatile fin material is light and can be used in a variety of different conditions.