This item is a piano tuning tool kit. It includes a wrench made of stainless steel and rubber mufflers in three different states. This wrench is wear-resistant and can be used for a long time. The tampon is a commonly used tampon tool when adjusting the equal temperament of the reference , and it is a great tool for tuning. Suitable for most pianos. Features -Color:Multi -Material: Metal, rubber and wool felt. -Size: About 19.00X1.20X1.00cm/7.47X0.47X0.39inch. -The piano wrench is made of stainless steel, sturdy and durable, with a wooden handle and a good hand feeling. -Three different state silence tools can meet your different needs, which is very practical. -This piano tuning kit has and can play its own role. -They are lightweight, do not take up much space, and are easy to carry and store. -It is made of safe and environmentally friendly materials to ensure its durability and practicality. Package list: 1 x wrench 2 x sticks 2 x blocks 1 x tape