Huayue Guitar Gauge Ruler, String Action Ruler Guitar Luthier Accurate String Guitar Measuring Tool with Guitar Fingerboard Guards for Electric Acoustic Classical Guitars Bass

• 🎸Professional Measuring Tool: String action ruler is specifically created to help complete the most common guitar repairs and adjustments, can measure data reference values of guitars, improve the efficiency and accuracy of debugging.
• 🎸Accurate Measurement: Double-sided gauge ruler includes a conversion chart of string action at the 12th fret, double-sided measurement is more comprehensive, the numerical measurement is more accurate, such as string height, pickup height, bridge saddle height, saddle slot depth and so on.
• 🎸Premium Material: Guitar gauge ruler is made of quality stainless steel, firm and solid, durable, not easy to wear and tear. All markings on the ruler are very clear and easy to read.
• 🎸Wide Application: Luthier measuring tool is suitable for string folk guitar, classical guitar, electric guitar, bass, mandolin, banjo and other instruments, used to measure the depth of the guide groove chord, chord guide slot position and contrast.
• 🎸Value Package: Comes with a guitar gauge ruler and 2 pieces fingerboard guards, can give your guitar fingerboard a good protection. The ruler size is 8.9*5.1cm, easy to carry.

Product description 🎸Made of stainless steel for long-term use against rust. 🎸Suitable for accurate measurements for guitar, bass, mandolin, banjo of string height, pickup height, bridge saddle height, saddle slot depth and so on. 🎸Double-sided with a conversion chart of string action at the 12th fret, convenient and comprehensive. Specifications: Quantity: 1 Set Material: Stainless Steel Size: Ruler: 8.9*5.1cm Fret Protectors: 7.8*2cm, 7.8*2.4cm Package Includes: 1 x Guitar Gauge Ruler 2 x Fingerboard Fret Protection Guards Satisfactory Service: Any problems of our product, please contact with us for refund or replacement. Directions 1. Remove the guitar gauge ruler from its packaging. 2. Use the double-sided gauge ruler to measure string height, pickup height, bridge saddle height, saddle slot depth, and other relevant measurements on your guitar, bass, mandolin, or banjo. 3. Protect your guitar fingerboard using the included fingerboard guards. 4. For accurate measurements, refer to the conversion chart of string action at the 12th fret. 5. Store the ruler and guards safely when not in use.