Feature:1. Efficient and Durable: Crafted using a unique foam process and materials of rubber and emery, the guitar fret erasers boast high hardness for increased efficiency and long lasting performance. They are designed to withstand repeated use without losing their effectiveness.2. Versatile Application: The erasers are versatile and can effectively address issues such as scratch marking, and rust on fret and guitar strings. Suitable for polishing character lines on various musical instruments like guitars, basses, and ukuleles.3. Soft and Elastic: The soft and elastic material of the erasers allows for a snug fit around thin strings and ropes, reducing damage. They can be easily cut into various shapes to facilitate grinding and polishing of different metal parts.4. Various Grits: Available in 180, 400, and 1000 grits, with higher numbers providing a finer and glossier polishing effect. Choose the appropriate grit for your specific polishing needs.5. Easy to Use: Designed in sizes that comfortably accommodate finger pressure, the erasers feature clear numerical markings for easy identification. Enjoy convenient and precise fret polishing with these user friendly tools.Specification:Item Type: Guitar Fret ErasersMaterial: Rubber, EmeryApplicable for: Scratch marking and rust issues on fret and guitar strings, as well as character line polishing on various musical instruments..Package List:3 x Guitar Fret Erasers1 x Storage Box