Simon Anderson's signature template. Delivers an even blend of drive and pivot with exceptional hold. Ideal for performance thruster surfboards. :: Unisex > Surf Accessories. Hold: Very high hold ratingPerformance Core construction: Stiff. lightweight fin with a highly responsive\n tip flexDrive: Mid drive ratingPivot Mid arc ratingBase: 4.24''Depth: 4.45''Area: 14.05''Sweep: 35.5 degreeOptimum rider weight range: 143lbs - 176lbsFoil: Inside foil technology Size: one size.