Description
This handy gauge fits most vise stems
*To determine hackle size, simply bend the hackle around the pin at the bottom of the gauge.
*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.
*Identify size 4-22 hackles and 4-16 hook sizes
