Description This piano wrench is manufactured with professional technology to ensure the excellent material of the product and can be used for a long time. You can use this wrench to do the tone tuning for the piano. This is a very good instrument tone tuning tool. Features -Color: Silver, wood color -Material: Wood, carbon steel -Size: About29.00X7.00X3.00cm/11.40X2.75X1.18inch - The wrench comes with lightweight and compact size, making it handy to use and convenient to carry. - The tone tuning wrench is specially designed for the piano, which is reliable and high efficient. - The wrench is made of high-end materials with high hardness, very suitable for daily use. - The wrench has humanized ergonomic design, comfortable to hold and easy to operate. - Fine craftsmanship ensures the long service life and good tone tuning effect.Package list: 1 x piano wrench