Deflow Keel Twin FinsKeel Twin Surfing a fish can be one of the best experiences ever. From bad beachbreak waves to high quality pointbreaks, a twin will change your perception of reading the wave. This Keel fins are designed for providing a classic approach of twin surfing down the line speed, long bottom turns and open face carves. Made on fiber glass adds stability and the classic Keel fin feeling. Construction: Fiberglass Feel: Keel Flex: 2 5 Part of our Core