FCS II Al Merrick PG Pro Tri Fin Set - Black/AcidFCS II Al Merrick PG Pro Tri Fin Set Overview Al Merrick's signature template is designed for radical, progressive surfing. The raked side fins produce exceptional speed and drive, while the smaller center fin on the medium and large template offer quick release through turns. Suited to hollow steep waves and punchy beach breaks. Recommended for performance board with deep concaves and moderate to extreme rocker. The raked side fins produce