Maxparts Fretboard Radius Ruler BK
Maxparts Fretboard Radius Ruler BK, Fretboard radius ruler, Also suitable for measuring string position and fret height (0.1- 1.5 mm), Material: Stainless steel, 6 Radiuses: 7-1/4"", 9-1/2"", 10"", 12"", 14"", 16"", Colour: Black