FCS Fins Specifications Total Fins: 5 Fin / Tri Quad Set Size: Medium (65 - 80Kg / 145 - 175 Lbs) Material: Performance Core Color: Black / White / Red Front Base: 4.55" / 116mm Depth: 4.52" / 115mm Area: 14.89"² / 9608mm² Sweep: 36.6° Foil: Flat Rear Base: 3.83" / 97mm Depth: 3.99" / 101mm Area: 11.08"² / 7150mm² Sweep: 32.4° FCS Performance Core (PC) Performance Core material and construction is designed to deliver the feeling of a traditional fibreglass fin with the added performance of reduced weight. The RTM (Resin Transfer Moulding) process produces a lightweight fin with remarkable flex, a smooth feel and an impressive aesthetic. We Carry A Full Line Of FCS Fins Here. The item "FCS II AM Al Merrick Tri Quad Surfboard 5 Fin Set Performance Core Medium 2 -New" is in sale since Wednesday, July 12, 2017.This item is in the category "Sporting Goods\Water Sports\Surfing\Surfboard Fins". The seller is "ratz_azzz" and is located in Los Angeles, California. This item can be shipped worldwide.