This is a 4-in-1 ruler, which can span nearly three frets and check any indicate uneven fret heights, allowing you to do more accurate fret work for better pleasure. Widely used in all kinds of electric guitar, electric bass, wooden guitar, folk guitar, electric box guitar, etc
The guitar tool is in the size of: Approx Length: 100mm / 3.94 inch; Approx Width: 51mm / 2.01 inch; Approx Thickness: 1.7mm / 0.07 inch. In the package of: 1 × Guitar Triangular Ruler
It is made of stainless steel with a durable surface. An accurate straight edge helps you detect any differences in fret height. The fret rocker leveling tool is designed with two holes, which is easy for you to store it
You just need to place it in the place that you would like to check
Please confirm the size of the guitar tool before ordering