Being able to measure your fretboard & string radius is a critical step in the setup process. Music Nomad’s precision Radius Gauge is packed with features & benefits. The accurate measurements (7.25”, 9.5”, 10”, 12”, 14”, 15”, 16”, 20”) & easy to follow instructions on the gauge give you the confidence to get the job done right. The premium stainless steel with polished smooth edges combined with laser etched numbers and text ensures years of use. That’s Music Nomad quality – raising the bar in equipment care.