Tune 2 Octaves at a Time-The tuning tape is used to mute the external strings, one is enough to tune two octaves at a time. Durable, High-quality Rubber-The mute of the piano tuner is made of durable rubber, which can ensure long-term use. Wooden Handle Design-Wooden handle tuning hammer, easy and comfortable when working silently. The four silencers (two with handles) are tapered to make it easier to mute the part. Do it Yourself-You can use the tools to complete the fixed work of the piano, and learn some new functions in the process, and save money. Basic Tools-This is an indispensable tool for piano players to perform piano tuning work. We believe you will be satisfied with this. This piano tuner tools including hammer mutes strip, and they are made of durable rubber to assure long time use. This tuning hammer is equipped with wooden shank, You can did the piano fixing job by yourself for save money and time. Specification: Handle Material: Metal Mutes Material: Rubber Color: Shown as pictures Temperament Strip Size(LxW): Approx. 104x3cm/40.94x1.18inch Tuning Hammer Size(LxW): Approx. 15x4cm/5.90x1.57inch Long Mute Size: Approx. 10x1.3x1cm/3.93x0.51x0.39inch Mute with Handle(LxW): Approx. 22x2.5cm/8.66x0.98inch Weight: Approx. 55g Packing List: 2 x Long Mutes 2 x Short Mute with Handle 1 x Temperament Strip 1 x Tuning Hammer