Features: Efficient & Durable: Baroque fret erasers are made of natural rubber and emery by a special foaming process. The hardness of emery is greater than that of corundum, so the fret polishing is more efficient and more durable. Multipurpose: Baroque fret polish eraser can solve problems such as fret file scratches, corrosion/oxidation/rust of frets & string. And it is suitable for the character line polishing of most musical instruments, such as guitar, bass, ukulele, etc. Soft & Elastic: The polishing rubber can effectively fit the filaments and cords, reducing damage to the filaments and cords. It can be cut into different shapes to facilitate grinding and polishing of different metal parts. Multiple Valued: Five are a set of 180&400&1000&1500&2000 Grits. The larger grit number, the finer and brighter polished effect it will be. For more serious rust or oxidation, you can choose a smaller particle size. Excellent Design: Good size to adapt to finger force. Clear numerical marks facilitate identification. A variety of color matching and exquisite packaging. Specifications: Material: Rubber+Emery Color: As The Picture Shows Package Weight: approx.135g Size: approx.6.6x1.5x1.5cm/2.59x0.59x0.59in Package Includes: Set of 5Pcs Guitar Fret Polishing Eraser note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!