DescriptionNo matter how expensive the musical instrument is, no matter what kind of musical instrument, it needs regular maintenance and inspection, so as to ensure that the musical instrument is in a good performance state for a long time.Features- Color: Golden- Material: Metal- Size: About 10.30X3.30X0.20cm/4.05X1.30X0.08in - It can pinpoint those pesky high frets, and check the final height after you've redressed or replaced it. - It can be used as a necessary tool for proper adjustment of guitar truss bars, very practical.-Designed to check the straightness of fingerboard guitar neck, this guitar string ruler is very practical. - Lightweight and compact design, you can carry it with you conveniently in your guitar bag. - It will be a perfect gift choice for your friends who are guitarists or guitar lovers.