Dunlop System 65 Action Guage

Dunlop System 65 Action Gauge. A must for every player’s toolkit. Provides the precise measurements you need to setup your instrument for greater playability. Adjust string action, measure string height for making truss rod adjustments, measure pickup heights for optimizing tone and reducing magnetic string drag and more. Use it on any stringed instrument with adjustable action. Includes metric and standard measurements.