**Steel String Action Gauge Ruler** * **Size:** Approximately 16 x 10 cm / 6.2 x 3.9 inches * **Color:** As shown in the figure * **Material:** Stainless steel **Features:** * **Guitar Setup and Adjustment:** This handy tool is ideal for guitarists, luthiers, and anyone setting up guitars to improve playability. * **Inches and Millimeters:** The tool includes a 12-fret string action scale, string height scale, bridge saddle slot scale, and nut, saddle, and pole piece scales in both inches and millimeters. All markings are clear and easy to read. * **Versatile:** Great for measuring string height, pickup height, bridge saddle height, saddle slot depth, fret slot depth, and nut height, as well as pickup pole piece height. Suitable for electric guitars, acoustic guitars, bass guitars, and other stringed instruments. * **User Guide Included:** The product includes a string action setup guide sheet and an English instruction card. * **Helpful and Easy to Use:** Using a string action gauge allows for more accurate guitar setups, reducing guesswork. **Precautions:** 1. As different computers display colors differently, the actual item's color may vary slightly from the images. 2. If you find it difficult to choose the size, feel free to contact us at any time. We can offer suggestions, but they are for your reference only. **Package Includes:** * 1 x Steel String Action Gauge Ruler