Profession Understring Radius Gauge for Guitar Bass Bridge Fingerboard Saddle
- These are the most popular fingerboard radii, making it easy to measure the radius above or below the strings.
- Radius instrument has 9 sizes: 7.25'' 9.5'' 10'' 12'' 14'' 15'' 16'' 17'' 20''.
- Use these to accurately set the guitar bridge saddle to match the fingerboard radius.
- Then use the matching top radius of the meter to determine the appropriate height adjustment for the saddle.
- Use the bottom radius of the meter to accurately measure the fingerboard radius of the instrument.