Radius gauges come in 9 sizes: 7.25"9.5" 10" 12" 14" 15" 16" 17"20"..Obtain accurate measurements of your instrument's fretboard radiususing the bottom radius of the gauge。Then use thematching top radius of this gauge to determine the proper height adjustment forthe bridge saddles.
They can be used to accurately measure fretboard radius, saddle radius nut radius from either the top or bottom radiussurface.
Specification:
Net weight:60g
Color : silver
Material: Stainless steel
Thickness: 1.5 mm