Lovebay&reg; Professional A Pack of 10 Pieces Piano Tuner Tools Including Tuning Hammer Mute Wrench Hammer Handle Kit Tools and Case Complete tuning tools, help you tune the piano in time. Huamane design, the package will protect your tools from losing. The ideal piano tuning kit for apprentices, students, or anyone wanting to learn piano tuning. Material: Stainless steel and Wood, standard structure with sophisticated craft. High quality, durable, and dependable piano tuning products.