The Swordfish Release Ruler measures 2″ x 60″ and is made from the a durable PVC coated fiberglass. The Swordfish Release Ruler is designed to easily measure a harvestable swordfish while in the water boat side. The Swordfish Ruler eliminates the need to boat an undersized fish. The contrasting white to orange color make it easy to identify the Lower Jaw Fork Length (LJFL). The ruler is equipped with durable brass grommets on each end. The oversize grommet is perfect for a 3/8 inch standard boat gaff diameter.