Andoer Piano Tuning Tool Kit Set Spanner Hammer Wrench Mute Temperament Strip Chromeplate Steel Maple Handle Corduroy Pouch for Yamaha Piano tuning kit, what you ever need is in one pack. Chrome-plating spanner with maple handle, sturdy and durable. Four rubber mutes (two with handle) for more easily muting the section. Temperament strip used to mute off the outside strings, one is enough to tune two octaves at a time. Comes with a pouch made of corduroy, easy to carry along.