Whether you're a beginner or a professional in need of a portable tuning mute kit for piano tune fixing, the piano mute fixing tool is the perfect choice. Built from rubber and metal, this piano tuning mute kit is designed to last, can use it and hard to wear and tear. Features -Color:Black -Material:Rubber, metal -Size:22.20X1.00X0.80cm/8.72X0.39X0.31in -This piano tuning mute tool set is perfect for anyone who wants to keep their piano in tune. -Including mute forks and mute bars, allowing for you easy to install and use. -The tools are made of rubber and metal materials that are built to last, and you can use them with confidence. -Mutes are inserted between strings to silence them. with precise tuning, you can ensure that your piano sounds its best. -Indispensable tool for piano players to perform piano tuning work, suitable for all users. Package list: 4 x Damper Forks 8 x Damper Blocks