Solid, high quality stainless steel radius gauges, notched version. Use during fingerboard/fret shaping to accurately measure your progress and eliminate mistakes. Can also be used when shaping a nut/saddle or when setting string radius at the bridge. Great for working on compound radius necks. This is an essential tool for a luthier/tech’s bench.

Narrow gauges are used for measuring at the nut to the 7th fret, while the wide gauges are used for measuring at the 7th and higher numbered frets.

Gauge 1+2 has 7.25″, 9.5″, 10″, and 12″ radiuses
Gauge 3+4 has 14″, 15″, 16″, and 20″ radiuses
Notched version great for taking measurements with strings on
Set of 4