The CF Series surfboard fin was designed for reliable performance and has quickly become a favorite amongst the Captain Fin team. This template is a perfect balance of drive, pivot and hold and will deliver in all types of conditions. If you can have only one set of fins, this template is the one to have. Size: Small Grom up to 155 lbs. Compatibility: Futures Construction: Honeycomb Flex: Medium Front Height: 4.4 inches Base: 4.3 inches Area: 14.56 inches Foil: Flat Rear Height: 4.3 inches Base: 4.3 inches Area: 13.51 inches Foil: 50/50