Feature: 1. [Accurate Adjustment] Adjustable screws can set the amount you want to remove, making objects square and truly flat in a moment, convenient to use. 2. [Enhance Sound Quality] Effectively address tone issues caused by improper nut and saddle shapes with this bass nut saddle sander, ensuring optimal assembly and sound quality. 3. [Vertical Sanding Design] When using sandpaper on a flat surface, this guitar bridge saddle nut sander keeps the nut or saddle perfectly vertical, ensuring accurate and uniform sanding. 4. [Reliable Construction] Crafted from premium aluminum alloy and hardened stainless steel bearing, this guitar sander offers high strength, durability, and resistance to damage. 5. [Versatile Compatibility] This nut and saddle sander is suitable for bone, plastic, and composite nuts and saddles, easy to use and widely applicable. Specification: Item Type: Guitar Nut and Saddle Sander Material: Aluminum Alloy, Stainless Steel Function: Guitar Nut and Saddle Polishing. Package List: 1 x Guitar Nut and Saddle Sander