These kits are designed for tyers that have mastered the basic fly tying lessons and are ready to tie their own flies. This kit comes with all the materials needed to tie 25 flies and includes a material list so you can restock when needed. This Shenandoah Simple Streamer, Nine Three Kit includes hook sizes 10 so that you can tie this fly to use on your favorite large trout stream. If you prefer to use it for bass fishing then you can easily tie this pattern on a Mustad 9672 size 6 hook (not included). Vise, scissors, and bobbin are not included but can be purchased separately.