product details:

Digital Nut Slotting Gauge for Guitars

Machined brass base with slight arch to match most fingerboard radii

The Digital Nut Slotting Gauge measures the string height on the first fret, the measurements are more accurate, so that you can file your nut depths more accurately. It features a digital indicator with a zero button and inch/mm switch button, accurate to .0005"(0.01mm).

No more guesswork or "eyeballing" the string heights, and no more searching for elusive combinations of feeler gauge.

Features:

- Accurate to 0.005" (0.01mm)

- Allows perfect string clearance

- Fits acoustic guitars

- Solid brass base

- Metric & Inch modes