Features: Achieve precise string action measurements with our guitar string action ruler, ensuring optimal playability for both professional and amateur musicians. Featuring a circuit board design, this tool is crafted with PVC, easy to read markings suitable for various guitar types. Ideal for instrument repair technicians, guitar enthusiasts, music teachers, and students looking to enhances their playing comfort. Perfect for home practice, pre performances adjustments, music store maintenance, and educational environment. Elevate your guitar setup with this essential accessory, designed to provide accurate readings and improve your overall musical experience. Specifications: Component: PVC A Size: Approx. 3.54x1.57x0.03inch(9x4x0.1cm) B Size: Approx. 4.72x2.55x0.03inch(12x6.5x0.1cm) C Size: Approx. 5.11x3.14x0.03inch(13x8x0.1cm) Package Includes: 1x Guitar String Action Ruler note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.