be sure and check out all my vintage surfboards and surfing items in my ebay store  ....  here is a very hard to find original 1980s fins unlimited surfboard center fin. the fin is yellow in color and still has the original sticker on it . 4 1/2 inches tall and 4 1/4 at the base .  vintage so sold as is   ..    I also have other fins listed  .  flat rate shipping