915 Generation 4Pack Acrylic Guitar Notched Radius Gauges Fingerboard Guita

Size: 4pcs includes gauges in 7.25inch, 9.5inch, 10inch, 12inch, 14inch, 15inch, 16inch, 20 inch .
Material: Made of Acrylic so that it is stable, durable and widely used.Accurate, convenient, pocket-sized measuring tool.
Portable: when you to check a fingerboard without taking the strings off.It's faster to use than any ruler, and stays parallel to the fingerboard-much easier than trying to hold a ruler perpendicular to a rounded fret.
Applies to:7.25inch for electric guitars with a relatively arc or ukulele 9.5inch for electric guitars;10inch for electric guitar;12/14/16inch for acoustic guitar;18/20inch for classical guitars,Fit for string instruments such as electronic guitar, bass, acoustic guitar, mandolin, banjo etc. Colour:black
Material:acrylic Package Contents:
4 x Guitar Notched Ruler Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.