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 APPLICATION: 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 description Specification: 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 Weight: approx. 55g 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. USED FOR The temperament strip is used to cut the outer strings and only one is enough to tune two octaves at a time. LARGE APLLICATION With the tools, you are able to complete the piano repair job on your own and learn new skills along the way, all while saving you money. This essential set for pianists to perform piano tuning work. Includes 2 Long Mutes, 2 Short Mutes with Handle, 1 Temperament Band, 1 Piano Tuning Hammer It is a great choice for all users.