We have released a new version of HOSCO Radius gauge. This one has been added 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 gauged as same as the old version.

H-RG2 HOSCO Radius Gauge

7-1/4", 9-1/2", 10", 12", 14", 16" radius gauge
fret cown height gauge (0.1mm pitch checking)
string action gauge (0.5mm pitch checking)
Material: Stainless steel
Size: 210mm x 25mm

 front side

 back side

 < How to use H-RG2 >

Radius gauge For 7-1/4"(184mm)
Fret crown height gauging (mm/10)
String action gauging
String action : 2.5mm
Fret crown height (high fret)
ex. 1+10=11, 11/10=1.1mm
Fret crown height (low fret)
ex. 0+10=10, 10/10=1.0mm

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