Blacksmith Fret Guard Gauge

The Blacksmith M20 fret guard gauge is made of SAE 304 stainless steel that has excellent resistance to a wide range of atmospheric environment and many corrosive media. This fret guard gauge includes five fret guards and a ruler to measure the string heights. The five different fret guards fits and works on any kinds of string instruments such as ukulele, mandolin, classical acoustic, electric, and bass.