The Hareline Hook, Hackle and Bead Gauge is a unique fly tying tool that is great to have at the vise. This tool has a bead sizer along one side. This features sizes in both millimeters and inches from 1.5MM or 1/16” all the way to 5.5MM or 7/32”. This covers almost any bead you could ever use. It also incorporates a hook size gauge. This goes from size #4-#22 covering a large range. Finally is features a precise hackle gauge. This is perfect for tying consistent and beautifully proportionate flies. The Hareline Hook, Hackle, and Bead Gauge is made of anodized aluminum and comes with a rubber washer to secure to your vise.