With this device you can easily measure string action and neck relief, with no need for additional tools. It’s perfect for checking your setup—or saving it—before making adjustments on your instrument. You can also compare your setup before and after a fret level. The Digital Action Gauge measures fret height and much more, making it an indispensable companion for precision work.

Digital Action Gauge is a registered trademark in Japan. Ensure you are buying the original, not an imitation.