Guitar Understring Radius Gauges for Saddle

Place of Application: Bridge Saddle. 9 x Under String Radius Gauge. - Etched with radius on handle. Model: 7.25, 9.5, 10, 12, 14, 15, 16, 17 and 20

Understring Radius Gauge - Wide - for guitar and bass setup - Set of 9 - Philadelphia Luthier Tools & Supplies, LLC

Understring Radius Gauges - StewMac

Elmer Guitar Understring Radius Gauges Set of 9 (Wide)