Channel Islands MSF Gen 2 7'0 Surfboard7'0" x 21 1 2" x 3 1 8" The Channel Islands MSF (Machado Single Fin) 2nd generation single fin surfboard Merrick ridden narrower than the original first generation and is designed for good waves. The Channel Islands MSF Gen 2 Surfboard: Spiral vee single fin to be ridden narrower than the original first generation. Designed for good waves. Comes with a polished gloss finish, and a retro style resin tint.