Made from high-quality materials Keep tools in sight but out of the way Fits well with PEAK accessory shaft Fits any 3/8 inch shaft Limited lifetime warranty on materials and workmanship Here’s a useful accessory to help you stay organized and improve your fly-tying experience. No more looking for lost tools hidden under your materials, or that have rolled off on the floor. Hang your essential tools right next to your vise, out of the way, but there when you need them. Fits any '3/8? shaft such as your PEAK Vise or PEAK Accessory Shaft.