2Pcs Guitar String Action Gauge Ruler Measuring Tools replacement for Electric Acoustic Bass

【Precise Scale】 - The double-sided measuring ruler contains a conversion table for the string movement at the 12th fret and an accurate scale for measuring the string height and the saddle height. 【Quality Material】 - This double-sided guitar fingerboard measuring tool for guitar / bass is made of qualIfied plastic and is Great measuring tools for guitar. 【Customer Service】 - We will undergo rigorous inspection before delivery. If you have any problems with this string position measuring device, please contact us at any time. We will reply you and offer you a satisfAction solution. 【Precise Scale】 - The double-sided measuring ruler contains a conversion table for the string movement at the 12th fret and an accurate scale for measuring the string height and the saddle height. 【Precise Scale】 - The double-sided measuring ruler contains a conversion table for the string movement at the 12th fret and an accurate scale for measuring the string height and the saddle height. 【Precise Scale】 - The double-sided measuring ruler contains a conversion table for the string movement at the 12th fret and an accurate scale for measuring the string height and the saddle height. 【Precise Scale】 - The double-sided measuring ruler contains a conversion table for the string movement at the 12th fret and an accurate scale for measuring the string height and the saddle height. 【Precise Scale】 - The double-sided measuring ruler contains a conversion table for the string movement at the 12th fret and an accurate scale for measuring the string height and the saddle height. 【Multifunction】 - Guitar Strings Action Gauge Ruler can also measure saddle slot depth, fret slot depth and nut height and accurately measure other setup settings. 【Easy to Use】 - There is a fraction, decimal and metric conversion chart on the back. This thread thickness measuring device makes measuring faster and more accurate.