The Pro Sportfisher Tube Fly Starter Set contains a wide range ot tubes ,heads and weights for creating many different tube flies. It is great if you want to create new patterns or if you just started with fly tying and don't know yet, which style of flies you want to go for and what kind of materials you need. To cut a long story short: A perfect set to get an overview what great products Pro Sportfisher has to offer!