String Action Ruler GaugeGuitar Repairing Tool for LuthierFit for GuitarUkuleleBassBanjoMandolin

IMPORTANT: Rip off the film that covered on the both side of ruler before use. Product Features: Is the scale accurate? Yes, 100% accurate. Is it sturdy? Yes, it's made of high strength stainless steel, it's sturdy. Is the scale clear? Yes, The laser etching makes the scale very clear and easy to read. Will it scratched the guitar? No, each edges and corners have been polished, which means it won't left any scratch on your guitar. Can I understand its unit? Yes, Each scale provided two unit include inches and millimeters, They are on different side of the ruler's body. What does it give me? It can help you measure most of the positions on the guitar so that you can know whether your guitar is in the best condition Is it portable? Yes, it has smart body, put it in your pocket, it will be as smart as a doll, not be naughty to tear your pants and thighs. All graphic are taken in kind. what you see what you get. Its excellent quality has far exceeded the price. Every serious player must have one. Small Tips: The string height of 12th fret will be reduced by 1 mm for every 2 mm reduction of bridge height. Package Contents: Baroque String Action Ruler x 1.