stainless steel fingerboard radius gauge + string height check, for 7,25″- 9,5″-10″-12″-14″-16″
The Hosco original fingerboard gauge is a ruler shaped tool to determine the radius of your fingerboard. You can measure the 6 most common fingerboard radii: 7,25″ , 9,5″, 10″, 12″, 14″, 16″.
This also has a string height measuring function. Hieght measurement is in increments of 0.2 mm until 3.0 mm.