Product Information
- S-shaped elbow design for easy sanding and durability
- Made of solid wood and durable sandpaper on the elbow, mainly used for the renovation of the piano hammer.
- Sand board can avoid the long-term impact of the hammer head and cause the hammer felt to harden.
- This is a good polishing tool for piano with stable performance
- The sand plate part can polish off the hardened felt part, revealing the delicate felt and restore the sound