Features: Utility Piano Tuning Kit: The pianos tuning kits comes with 8 pieces in the package, contains 1 x tuning wrench, 1 x temperament strip, 2 x mutes with handle, 4 x mute replacement, durable material which not easy deform with long time performance.OOTDTYProfessional Tuning Tool Set: Complete tuning tool set & professional kits, which is easy to use, flexibility and exquisite design to ensure durable using.Soft Rubber Mute Kit: Package contains 2 rubber mutes with handle and 4 mutes, made of soft durable rubber, helps you to mute the section simply and not damage piano.Practical Metal Piano Tuning Hammer Wrench: The pianos tuning wrench designed with durable heavy duty metal, carry with well polished handle,durable and anti-abrasion, portable to take with you and tuning without spots limitation.Wide Range Application: The pianos tuning kits is special for piano apprentices, learners, students, teacher, trainers, professional piano tuners, or anyone who wants to learn piano tuning, professionals or sparetime hobbyists.Specification: Material: Rubber, Metal, FeltNet Weight: approx. 168g/0.37 lbsStyle Option: Black/BlueProduct Dimension: approx. Tuner wrench 16cm/6.3 inchPackage Includes: 1 x Tuning Hammer Wrench1 x Temperament Strip2 x Mutes with handle4 x Mutesnote: Please allow 1-2cm errors due to manual measurement.Due to the difference between different monitors, the picture may not reflect the actual color of the item.