Feature:1. Tools with standard structure with sophisticated craft. It is good for both beginners and professionals.2. Highquality wrench hammer is suitable for most pianos. Other accessories are of good quality and versatile3. The piano wrench is made of stainless steel, sturdy and durable, with wooden handles, and feels good.4. Durable, not easy to damage, do not need frequent replacement, very convenient.5. Suitable for piano tuner, individuals with piano, piano tuning enthusiasts, beginners, students, piano teachers and other people who need to use tools to adjust the piano.Specification:Item Type: Piano Tuning SetName: Piano Tuning ToolMaterial: Metal, rubber, wool feltTuning Fork: 440HzUsed to repair pianos.Package List:1 x Wrench2 x Rubber Mute4 x Rubber Wedge Mute1 x Temperament Strip1 x Tuning Fork