The HOSCO Radius gauge has been updated with a new function for gauging fret crown height. 6 different radiuses (7-1/4″, 9-1/2″, 10″, 12″, 14″, 16″) and string action can be measured, the same as the old version
Features
Item Shown: Hosco H-RG2 Fingerboard Radius Gauge
: HC-HRG2
UPC: 746760480217