Bearing the genus name of tuna fish, Thunnus reels have a lot to live up to. Not to worry, they are as tough and powerful as one would expect. With the Shimano Bait Runner feature, the Thunnus offers the advantages of conventional reels with live-bait fishing packed into a powerful, yet elegant spinning reel. Features include an aluminum frame reel with waterproof drag, Super Stopper II instant anti-reverse, Dyna Balanced rotor and Fluid Drive close tolerance gear cutting for enhanced smoothness and ultimate performance.