Pro Guitar Bridge Grinding Sander Guitar Nut Saddle Sander Precision Instrument Parts Adjustable Height Sander Guitar Bridge Grinding Sander Adjustable Guitar Nut Saddle Sander Luthier Tool for Guitar Bass Precision Instruments Accessories Feature: 1. This tool is the fastest, surest way to perfectly square nuts and saddles in seconds; Allows for fine adjustment in the height of nuts or saddles 2. Aluminum and Steel construction; Solves the tone trouble caused by poorly-shaped (and thus poorly-fitted) nuts and saddles 3. Wheels are very hardened steel bearings. The Nut and Saddle Sander holds the nut or saddle perfectly vertical while you roll it over sandpaper on a flat surface. Adjustment screws set the amount you want to remove, and in moments the piece is squared up and truly flat. 4. Adjustable Height sander for bone, plastic and composite nuts and saddles 5. This tool is typically used after shaping a saddle or nut to its final shape. Specification: Color: Black/Silver Material: Aluminum alloy Size: approx. 16.5x6.3x4.5cm/6.5x2.48x1.77in Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow about 1-2cm measuring deviation due to manual measurement. 1 X Guitar Nut Sander