High Performance fins - Made in the USA * Lighter than Honeycomb * Carbon Air Technology - Lightweight and fast. * Five Fin Set * Alpha now comes in 5-fin combinations * Light as a feather and fast on your board CENTRE * Height: 4.37 in * Base: 4.22 in * Area: 14.22 sq in * Foil: Symmetrical SIDES * Height: 4.37 in * Base: 4.22 in * Area: 14.22 sq in * Foil: Flat Features a low Texture that is intended for a quieter ride characteristics and better water flow over the foil.