The AM2 Five Fin Set has the option to be riden as a thuster or a quad. Five Fin Sets can be ridden as A thruster or a Quad.LARGE: 85 - 100kgs / 185 - 220lbs. A durable, lightweight fin construction with a progressive flex pattern and overall medium level of responsiveness. A good fin choice for surfers starting on fibreglass fins as the flex pattern is more forgiving, or for surfers wanting a more dynamic feel. The construction consist of Hex-Core Foam insert, Fibreglass and Polyester Resin. The item "Al Merrick Shapers fins AM2 FCS Corelite Channel Islands 5 FIN LARGE tri quad" is in sale since Saturday, April 22, 2017. This item is in the category "Sporting Goods\Water Sports\Surfing\Surfboard Fins". The seller is "pigdogsurfshop" and is located in Oxnard, California. This item can be shipped worldwide.