During long-term use and long-term storage, the guitar frets will rust, which will affect the pressing and performance of the guitar strings. Our products can easily solve this problem and can help you clean the metal parts of the guitar effortlessly. The rust can also be brightened. You have no reason to reject such an excellent product. Features -Color: Black -Material: Grease -Size: About 12.80X3.40X2.00cm/5.03X1.34X0.79inch -It can help you clean up the on the metal parts of the urn effortlessly, and make your guitar look . -We always provide you with the products and under the premise of performance. -The method of use is simple, it will not take you of time, and when you are not using it, the storage does not take up space. -You can buy this and effective rust remover at a very favorable price. -Extend the life of your guitar, have a better playing effect, give you the use experience, and will not damage your guitar. Package list: 1 x guitar brightener 1 x textured paper