Features: Precisions crafted from aircraft grade aluminum alloys, this guitar nut sander delivers stability and accuracy for perfect nut and bridge adjustments with its innovative four directional positioning systems. Features multidirectional locking mechanism and integrated sandpaper slots to ensures controlled materials removal during guitar maintenance, suitable for both bone and synthetic nut materials. Essential for luthiers, guitar technicians, and serious musicians requiring professional grade string instrument maintenance tools for precise action height customization. Perfect for workshop setups, home guitar repairs, or stage side quick adjustments when preparing instruments for performances and recording . The ergonomic anodized aluminum body houses replaceable abrasive sheets (included), offering lasting durability for repeated use across steel string acoustics, classical nylon guitars, and electric models. Specifications: Color:Three Choices Dimension:155×41mm/6.1×1.61in Component:aluminum alloys Package Includes: 1pc guitar sander 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.