String Action Ruler Gauge Tool for Electric Bass and Acoustic Guitar

Useful conversions, long lasting etched printing

Pocket-sized, a lot of info on a tool of this size

With conversion chart of string action at 12th fret printed on one side

With scale to measure string height, bridge saddle height, saddle slot depth, pickup polepiece height, fret slot depth and nut height

Perfect accurate action measurements for string instruments such as guitar, bass, mandolin, banjo, etc