Mandala AK4 Quad FCS Compatible

True Ames Mandala AK4 Quad FVS compatible.  Designed by Manny Caro of Mandala Custom Shapes, this quad set has been finely tuned to provide a balance of effortless speed and drive. The size of the front and rear trailers complement each other extremely well and work in harmony making this quad very versatile and well suited for an array of surfers / board sizes. These fins feature our solid fiberglass construction, a clean matte finish, and 80/20 foils on the rear fins.  ( Front Fins )HEIGHT: 4.55” / 116 mm   BASE: 4.49” / 114 mmAREA: 15.11 ”² / 97.47 cm² ( Back Fins ) HEIGHT: 3.66” / 93 mm   BASE: 3.70” / 94 mmAREA: 10.25”² / 66.15 cm²