Griffin Hook & Hackle GaugeGT30
The Griffin Hook & Hackle Gauge is a convenient tool that quickly measures hook and hackle sizes. The scales are printed on a high-visibility yellow background for ease of use.
- Fits standard vise stems
- Measures hook sizes 4 to 16
- Measures hackle sizes 4 to 22
How To Use: Bend the hackle around the pin at the bottom of the gauge to determine hackle size. Pivot out of the way when not in use.