NSP Tie Down Straps 475 cm (pair) NSP’s heavy-duty Tie Down Straps are ideal for securing your surf, foil, and SUP boards to the roof of your car. Made with strong, yet soft nylon straps that will easily secure your boards without scratching the board. The heavy-duty cam buckles are encased in a padded EVA to also avoid damage to your board or car. Tie Down Straps Size Available in one size: 15’7” (475cm)