Dunlop System 65 Action Gauge
A string action gauge is a must-have for every guitar player's toolkit. The gauge provides the precise measurements you need to set up your instrument for greater playability. Use for adjusting string action, measuring string height during truss rod adjustments, measuring pickup heights for optimising tone, and more! Use this on any instrument with an action that is adjustable.
This string action gauge has both Metric and Imperial measurements.