ITEM NAME:Guitar Bridge Saddle Nut Files Set- Sand Paper and Metal Needle Files of 13 A5U2 ☆★ Product Details ★☆ Guitar Bridge Saddle Nut Files Set- Sand Paper and Metal Needle Files of 13 A5U2 Needle Files and bridge saddle file are all made of high-quality Metal, smooth and light weight, perfect tools for filing string slots into nut and bridge. for polishing saddle, nut, string and so on. 240 grit and 320 grit are used for coarse grinding. 400 grit is used for fine grinding, making the polish more smooth and delicate. large and more convenient to use. The nut files can help take the slots down to exactly where, fix a guitar nut and adjust your guitar for the best hand feel. Grinding pillow needle Size: 13 different diameters: 0.4mm / 0.5mm / 0.7mm / 0.75mm / 0.8mm / 0.9mm / 1.0mm / 1.1mm / 1.2mm / 1.3mm/ 1.4mm / 1.5mm/ 1.6 mm, meet your various needs. Sand Paper: Model: 240 grit, 320 grit, 400 grit sandpaper Size: 12.5cm*10cm. Note: The thinner files are easily bent, please use them carefully. These tools aren't for filing a blank nut, but rather for adjusting string height at the nut. The guitar grinding polish kit don't remove material quickly, in order to avoid taking too much material off at one time, so please be patient when you need to remove a lot of nut material. Although the kit is not a professional tool, it is a great substitute for expensive nut files for occasional use. Package Include: 13 x Grinding pillow needle 1 x Flat rasp 9 x Sand Papers (3 pcs of 240 grit, 3 pcs of 320 grit, 3 pcs of 400 grit) Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.