DocksLocks Fin Box Cleat for Paddleboard and Surfboard Anti-Theft Security
Fits in the fin track of your longboard or stand up paddleboard for use without a leash plug. Use if your surfboard does not have a leash plug. Uses a one way tensioner screw and will not harm your surfboard in any way. Made from stainless steel. Excellent for longboards and stand up paddleboards (SUP).