Numbers based on 94840 Dry Fly hooks, Fits on stem of most vises
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Griffin Hook and Hackle Guage : Fly Tying Tools : Fly Tying Equipment : Sports & Outdoors
Griffin Hook/Hackle Gauge
Fly, Hook & Hackle Gauges
楽天市場】Hackle Gaugeハックルゲージ : サンディフロッグ
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GRIFFIN Hook/Hackle Gauge
The Griffin Hook & Hackle Gauge is a really nifty item to have., It will simply slide onto most vise stems. The hole fits on standard 3/8 inch vise
Griffin Hook &, Hackle Gauge
This handy gauge fits most vise stems. To determine hackle size, simply bend the hackle around the pin at the bottom of the gauge. This hackle will flare out and the tips will indicate on the curved graph the correct size hackle. To determine hook size simply place the hook on the hooks pictured on the gauge. This gauge will rotate freely on the vise stem so it may be swung out of the way when not in use. it will correctly identify size 4-22 hackles and 4-16 hook sizes.
Hackle Hook Gauge - Griffin