Premium Nylon Material: Crafted from nylon, this tool boasts a smooth appearance and fine craftsmanship, ensuring durability and reliability during use Effective Sound Muting: Specifically designed for piano tuning, it efficiently mutes the section, making the tuning process easier and more Compact Dimensions: With dimensions of 20cmx1.35cmx0.98cm/7.87inchx0.53inchx0.39inch, this mute clamp is perfectly sized for convenient handling and storage Mute Piano Tuning Tools: Piano tuning tool high tone mute tool to help you easily and quickly complete the piano tuning, reasonable design Blue Color: The bright color not only makes it easy to locate among your tools but also adds a touch of to your piano maintenance kit Specification: Material: Nylon Size Chart: 20cmx1.35cmx0.98cm/7.87inchx0.53inchx0.39inch Package Includes: 1 Set Mute Piano Tuning Tool Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.