What size reels for my rod? Reel sizes determine reel models and series. There is a lot of innovation in reel sizes, and you are aware of some common sizes like 1000, 2000, 3000, and 5000. But one thing is too simple. The smaller the number, the smaller the reel, and the larger the number, the larger the reel. https://paddlefishgear.com/spinning-reel-sizes-explained/