Check the listing for details. FCS II AM PC Tri Set Surfboard Fins Al Merrick Small, Medium, or Large. Condition: New. Listed at 120.00 USD. All are New in Package and free shipping.Al Merrick's Signature Template FIN SIZESMALL (120 - 155 Lbs) -YellowMEDIUM (145 - 175 Lbs) -RedLARGE (165 - 200 Lbs) -Large FIN SPECS: SMALLBase: 4.37" Depth: 4.37"Area: 1 3.71"² Sweep: 35.5ºFoil: Flat FIN SPECS: MEDIUMSIDEBase: 4.55"Depth: 4.52"Area: 14.89"²Sweep: 36.6ºFoil: Flat CENTERBase: 4.34" / 110mmDepth: 4.41" / 112mmArea: 13.72"² / 8852mm²Sweep: 35.0º FIN SPECS: LARGESIDEBase: 4.61" Depth: 4.70"Area: 15.63"² Sweep: 36.3º Foil: Flat CENTERBase: 4.47"Depth: 4.45" Area: 14.68"² Sweep: 38.6º OVERVIEWAl Merrick's template is designed for radical, progressive surfing. The raked side fins produce exceptional speed and drive, while the smaller centre fin offers quick release through turns. IDEAL CONDITIONSHollow steep waves, punchy beach breaks. BOARD TYPESPerformance boards with deep concaves and moderate-to-extreme rocker.Please Note: this fin is designed to be used exclusively with the FCS II Fin System, and will not fit in the traditional FCS Dual Plug System.