Crafted with precision, it effectively polishes and smooth out the frets, enhancing the playability and longevity of your guitar or bass. Whether you're musician or a beginner, this polishing block is essential for regular maintenance. It helps in preventing corrosion and wear, which can significantly affect the sound quality and performance of your instrument. Features -Color:Multi -Material:Stainless steel -Size:9.90X1.20X1.20cm/3.89X0.47X0.47in -Size:8.20X2.20X0.10cm/3.22X0.86X0.04in -Size:8.20X1.30X0.10cm/3.22X0.51X0.04in -Durable and Practical: Specifically designed for the efficient removal of dirty and the maintenance of metal parts on guitars and basses, ensuring they remain in optimal condition -Selected Material: Crafted from stainless steel material, withstand wear and tear, providing long-lasting performance for all your guitar maintenance needs -Convenient and Practical: With its effective polishing and grinding capabilities, this tool will bring much convenience to you -Easy to Use: Designed with user-friendliness in mind, easy to use even for beginners, making guitar maintenance a simple experience -Multi-purpose: Regular use of this maintenance tool not only keeps your guitar looking and sounding great but also significantly extends its lifespan Package list: 2 x fretboard protectors (wide+narrow) 2 x Polishing Block