Features: Temperament bars are used to mute external strings, one is enough to tune two octaves at a time. Quiet is made of durable rubber, ensuring long-term use. The tuning hammer with wooden handle works comfortably and silently while playing. The four mutes (two with handles) are tapered to make it easier to mute the section. Using these tools, you can do the piano fixing work yourself, learn some new abilities in the process, and save money as well. An essential kit for piano players for piano tuning work. Specifications: Handle Material: Metal Mute Material: Rubber Color: As pictured Temperament Bar Size (LxW): Approx. 104x3cm/40.94x1.18 inches Tuning Hammer Dimensions (LxW): Approx. 15x4 cm / 5.90x1.57" long Silent Dimensions: Approx. 10x1.3x1cm/3.93x0.51x0.39" Quiet with Handle (LxW): Approx. 22x2.5cm/8.66x0.98inContents of delivery: 2 x long mute 2 x short mute with handle 1 x temperament bar 1 x tuning hammerOnly the above package contents, excluding other products.Note: Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. thanksDue to manual measurement, please allow 1-2cm measurement deviation.