Item Type: Piano Hammerhead Sanding PlateMaterial: Solid woodColor: Wood color 1S SHAPE HANDLE: The S shaped curved grip of the sander fits perfectly on the felt surface of the hammer head, making it easy to sand flat. 2SOLID WOOD: The sander is made of whole solid wood polished and naturally air dried for durability and a solid feel. 3MAIN APPLICATION: Piano hammer head hammering for a long time causes the felt surface to harden, sanding plate sanding can make the felt surface hardened material disappear. 4EXCELLENT SANDPAPER: The sandpaper particles on the sanding handle are clear, and the sanding effect is fast and fine, very practical. 5GOOD REPAIR TOOL: This polishing handle is one of the essential repair tools for the luthier or piano player, it refurbishes the piano hammerheads and guarantees a beautiful sound quality.