Features: Achieve perfect string action adjustment in under 1 minutes with our precisions engineered guitar nut file, designed for professional grade sound optimizations. Features double functionality for both nut and bridge adjustments with grinding surfaces, crafted from durability materials for long lasting performances. Ideal for both novice players seeking easy guitar maintenance and experienced luthiers requiring precise string height customization. Essential for home setups, or pre show preparations across acoustic, electric, and classical guitar types. The ergonomic light weight design simplifies repetitive filing tasks while maintaining consistent pressure control during detailed instrument calibration. Specifications: Dimension:100×56×75mm/3.94×2.2×2.95in Component:Plastic Package Includes: 1pc Guitar pillows grinders note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.