Alomejor Guitar Luthier Tool Stainless Steel Fret Level Ruler Rocker Leveling Tool for Guitars Bass Fretboard Luthier Tool ?EXCELLENT WORKMANSHIP?It is made of thick stainless steel, with good product line, , proof, beautiful appearance and no deformation. ? DETECTION?The straight of this guitar fretting horizontal tool can help you detect any difference in the fretting height. ?GOOD USE FUNCTION?The four in one ruler spans nearly three nicks, and can detect any nicking instrument, indicating the uneven height of nicks, which is very convenient. If you want to buy a new instrument, you can use it to test the guitar in the shop and help you make sure you get an accurate fretting instrument. Features: 1. ?EXCELLENT WORKMANSHIP?It is made of thick stainless steel, with good product line, , proof, beautiful appearance and no deformation. 2. ?GOOD USE FUNCTION?The four in one ruler spans nearly three nicks, and can detect any nicking instrument, indicating the uneven height of nicks, which is very convenient. 3. ? DETECTION?The straight of this guitar fretting horizontal tool can help you detect any difference in the fretting height. 4. ?WIDELY USED?Accurate straight can help you detect any difference in fretting height. It can be applied to various electric guitars, electric bass, wooden guitars, folk guitars, electric box guitars, etc. 5. ?UTILITY?It is an indispensable tool for Guitar technicians and guitarists, and can easily check any fretting instrument. Specification: Material: Stainless Steel Color: Silver Size: Approx. 10.5x5cm/4.13x1.96inch Weight: Approx. 53g Packing List: 1 x Fret Rocker