Features:A simple utility polishing tool helps to repair scratches and quickly remove oxidation on frets.Flexible polishing rubber can effectively fit in the guitar fret wire, reduce the damage to the fingerboard while using.The polishing rubber can be cut into different shapes according to the actual situation to facilitate polishing operation on different parts.Use with guitar pin file for better effect, perfect maintaining tools for guitarists.One box comes with 3 pieces fret erasers -- 180 grit, 400 grit and 1000 grit; choose different sand numbers polishing rubber base on scratches and oxidaton level, the bigger and number gets the finer and brighter polishing effect.Specifications:color:blue + green + yellowMaterial: rubberSand Number: 180 grit, 400 grit, 1000 gritFret Eraser Size: 6.3 * 1.8 * 1cm / 2.48 * 0.71 * 0.39inFret Eraser Weight: 19g / 0.67ozPackage Contents:1 * 180 granularity1 * 400 granularity1 * 1000 granularityOnly the above package content, other products are not included.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.