KAVABORG (NSS100) Nut & Saddle Holder Sander Adjustble Polishing Abrasive Kit For Guitar

With height adjustment, adjust the metal wheel height by the blue control wheel to find a better height for sandering the saddle and nut.
With a nut holder to correct the angle, let the nut keep parallel, is conducive to polishing.
Apply to the guitar nut and saddle, polished to use, and easy to use.
Both sides are anti-slip strip. It can be very tight to clip the nut or saddle.
Grinding out is very delicate, and very stylish.
The sander is designed according to the radian of the nut and saddle.