Maxcatch Rotary Fly Tying Vise: Anodized 2024 Aluminum Body with Hard Chromium Carbon Steel Jaw All anodized 2024 aluminum with Hard Chromium Carbon Steel Jaw 360 rotating head allows tiers to finish fly tying without removing the hook. It is more convenient to use and time saving By rotating the screw, height of the vise can be adjusted, Jaw capacity is 28 to 1/0 It is designed for beginners, but will also satisfy experienced tiers as well Package included 1x fly tying vise