Hackle Hook Gauge - Griffin
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.
Hareline Hackle, Hook and Bead Gauge, Hareline
Griffin Hook and Hackle Gauge — Rangeley Region Sports Shop
Griffin Hook and Hackle Gauge — Precisionflyandtackle
The Hareline Hackle, Hook, & Bead Gauge was designed to be the ultimate accessory for your fly tying vise. Simply slide the gauge onto the stem of your vise and you will have the ability to measure hackle, hook, and bead sizes within a matter of seconds. This beautifully designed gauge is made of anodized aluminum and is available in your choice of 4 popular colors.
Hareline Hackle Hook and Bead Gauge - Olive
Griffin Hook & Hackle Gauge
With the ability to mount onto any vise, this handsome accoutrement is all about precision. Machined, anodized aluminum with a lasered scale and nail head design to prevent slippage. Measure from size 8 to 28. Made in the USA.
Whiting Farms - Hackle Gauge Ruby
GRIFFIN Hook/Hackle Gauge
HACKLE GAUGE - Fly Angler Distributing Inc
How To Measure Hackle - Flylords Mag
Hackle Gauge Standard, Multi Brand Fly Tying Tools - Fly and Flies
Bait Hook Making Tools Metal Measuring Fur Rule - Temu