1. Features: - Multi-functional piano tuning kit: This piano tuning kit consists of 8 items in one set, including 1 tuning wrench, 1 tuning strip, 2 dampers with handles, and 4 damper replacement parts. It is made of durable materials and is less likely to deform after long-term use. - OOTDTY professional tuning tool set: It is a complete set of tuning tools and is considered a professional kit. It is relatively easy to use, with a flexible and delicate design, suitable for long-term use. - Soft rubber damper kit: The set includes 2 rubber dampers with handles and 4 dampers. It is made of soft and durable rubber, which can help reduce the volume without causing damage to the piano. - Practical metal piano tuning hammer wrench: The piano tuning wrench is designed with durable high-strength metal and is equipped with a smoothly polished handle. It is sturdy, wear-resistant, easy to carry, and not limited by the tuning location. - Wide range of applications: This piano tuning kit is suitable for piano beginners, learners, students, teachers, trainers, professional piano tuners, or those who want to learn piano tuning, applicable to both professionals and amateurs. 2. Specification parameters: - Materials: rubber, metal, felt - Net weight: approximately 168 grams / 0.37 pounds - Color styles: black / blue - Product size: the tuning wrench is approximately 16 centimeters / 6.3 inches 3. Kit contents: - 1 tuning hammer wrench - 1 tuning strip - 2 dampers with handles - 4 dampers 4. Notes: - Due to manual measurement, an error of 1 - 2 centimeters is acceptable. - Due to differences between different monitors, the pictures may not accurately represent the actual color of the item.