The Northcore FCS Compatible Nylon Quad Fin are injection molded fins, combining a standard size 4.5'' front pair and 3.5'' rear set up. They are perfect all-round fins which are strong, durable and work brilliantly at an affordable price.
Fin box system:
Injection molded FCS compatible fins
Combines a standard size 4.5'' front pair and 3.5'' rear set up