Futures Scimitar Quad Rears The Scimitar quad rear fins are designed to pair with the Alpha Vector 3/2 front fins, to be ridden as a quad set. They feature the flattened Scimitar tip on the trailing edge to keep the turning arc tight and a flat-inside foil that enhances lift and release when ridden as a quad. Construction - Alpha Size - Medium/Large Sold as a pair (left + right fins) to fit Future's shallow depth fin boxes