Feature:1. Unique Design and Durability: This piano tuning wrench lever has L-shaped design, made of hard steel, making it durable and easy to use.2. High Performance Strip: With 1pc red strip, mute one octave by pushing between the groups of strings with a screwdriver or flattened hammer shank.3. Reduce Noise: Includes 2 mutes with handle and 4 long rubber mutes without handle, helps you to mute the section more easily. Also comes with 90pcs green felt balance rail punchings for piano noise reduction. Indispensable kit for piano players for piano tuning.4. High Value Easy to Use: With these tools, you are able to finish the piano fixing job by yourself and learn some kind of new ability during this process and also money-saving.5. Common Use: Perfect for apprentices, students, or anyone wanting to learn piano tuning.Specification:Features:Unique Design and Durability:This piano tuning wrench lever has L-shaped design, made of hard steel, making it and easy to use.High Performance Strip:With 1pc red strip, mute one octave by pushing between the groups of strings with a screwdriver or flattened hammer shank.Reduce Noise:Includes 2 mutes with handle and 4 long rubber mutes without handle, helps you to mute the section more easily. Also comes with 90pcs green felt balance rail punchings for piano noise reduction. Indispensable kit for piano players for piano tuning.High Value andamp Easy to Use:With these tools, you are able to finish the piano fixing job by yourself and learn some kind of new ability during this process and also money-saving.Common Use:Perfect for apprentices, students, or anyone wanting to learn piano tuning.Specifications:Material: SteelandrubberandwoolColor: As pictures shownApplicable Musical Instrument: PianoItem Size- Wrench Lever Length: 16.2cm- Rubber Mutes with Handle Length: Approx. 20.5cm- Rubber Mutes Size: 10 x 1.3 x 1cm(L x W x Max. T)- Temperament Strip Size: 106 x 2.5 x 0.5cm(L x W x T)- Felt Balance Rail Punching Size: 22mm x 5.2mm (Dia. x T)Item Weight: 190g or 6.7ozPackage Size: 21 x 12.5 x 3.5cm or 8.3 x 4.9 x 1.4inchPackage Weight: 198g or 7ozPacking List:1 x Tuning Hammer Wrench Lever1 x Temperament Strip4 x Rubber Mutes2 x Rubber Mutes with Handle90 x Green Felt Balance Rail PunchingsPackage List:1 x Tuning Hammer Wrench Lever1 x Temperament Strip4 x Rubber Mutes2 x Rubber Mutes with Handle90 x Green Felt Balance Rail Punchings