FCS II Al Merrick PC Tri Fin Set - LargeHollow steep waves, punchy beach breaks. Al Merrick's template is designed for radical, progressive surfing. The raked side fins produce exceptional speed and drive, while the smaller centre fin on the medium and large templates offer quick release through turns. MATERIAL Performance Core BOARD TYPES Designed to fit the FCS II Fin System. Performance boards with deep concaves and moderate to extreme rocker. FIN FAMILY Carver: Find Power. Powerful,