The award winning Bluefin Ruler is a must have for those of you targeting the mighty giants of the ocean. Simply lay alongside your tuna and measure. The Release Ruler’s contrasting colors estimate the bluefin’s weight and age based on the scientific growth data. The ruler is durable, tear-resistant, easy to stow and charts weights from juvenile to HUGE! The ruler is made from PVC vinyl, measures 5 cm wide and 316 cm in length. Each ruler is true to scale and dimensionally stable. For any comments or questions e-mail: email@example.com 100% Satisfaction Guaranteed.
As seen on National Geographic’s “Wicked Tuna.”