PREMIUM MATERIAL: The mutes are made of durable rubber, which ensures long time use. The wooden shank hammer is synonymous with ease and comfort for muted work. USED FOR: The temper strip is used to cut the outer strings and only one is enough to tune two octaves at a time. WIDE APPCATION: With the tools, you are able to finish the piano repair job by yourself and learn new skills along the way, while saving you money. ESSENTIAL TOOLS: This essential set for pianists to perform piano tuning work. It's a great choice for all users. Product SpeciCATion: Condition: 100% brand new and high quality Handle material: Metal Mutes Material: Rubber Color: shown as pictures Temperament Band Size (L x W): Approx. 104x3cm / 40.94x1.18inch Hammer Adjustment (L x W): Approx. 15x4cm / 5.90x1.57inch Long mute size: approx. 10x1.3x1cm / 3.93x0.51x0.39inch Mute with Handle (L x W): Approx. 22x2.5cm / 8.66x0.98inch Packing list: 2 x long mutes 2 x short mute with handle 1 x temperament band 1 x hammer TOP QUALITY MATERIAL The mutes are made of durable rubber, which ensures long time use. The wooden shank hammer is synonymous with ease and comfort for muted work.