DescriptionThis is a distancemeasuring ruler specially designed for guitar repair andself-inspection, made of high-class and durable material. It can helpyou measure the level and vertical distance of each part of the guitarand whether the height is consistent. It is very professional andpractical.Features- Color: Silver, Black - Material: Steel- Size: About 15.00X2.00X0.20cm/5.89X0.79X0.08inch - Its compact size keeps them out of the way no matter where it is placed, but is very easy to store. - Manufactured with sturdy steel material, the guitar ruler can serve you a long time.- Its operation method is very simple and can be learned quickly, even for the first practical use.- Itcan help you measure the level and vertical distance of each part of the guitar and whether the height is consistent.- The smooth margins can help you measure accurately, and it's very easy to use.