Piano Tuning Mute Set 4Pcs Rubber Wedge Keyboard Tool

1 Suitable for fixing piano tunes to check and maintenance the keyboard and other structure 2 Made of durable metal and high quality rubber materials, which work for professional tuning 3 Possess carefully wedge-shaped designe, which bring better mute effect 4 Rubber mute is a must having accessory for pianist, piano repairer, music lovers 5 This piano tuning tool is also suitable for playing rehearsal and concert

What's in the box
4 x Piano Tuning Mute