Professional Piano Tuner Kit Tuning Tool Set Wrench Hammer Rubber Mutes Red Felt Temperament Strip and Circles Fixing Tool Supplies for Piano rubber mutes have a centain flexibility and abrasion performance in order to reduce abrasion on iano parts and be reused for many times. piano tuning wrench of L-shape design features exquisite appearance and easy operation. Made of high-quality professional materials tools fit for piano tune perfectly. Efficient way of setting a temperament -- used to mute two octaves at once by pushing between groups of strings with a screwdriver or flattened hammer shank. Indispensable tool kits for piano players to do piano tuning work. Package comes with 1 wrench hammer 2 rubber mutes with handle 2 rubber mutes 1 felt temperament strip and 1 bag of felt temperament circles (appr. 90ocs) to fully meet your needs. Specifications: Felt Temperament Strip Length: 108cm / 42.52in Felt Temperament Circle Diameter: 1.2cm / 0.47in Color: Red Felt Temperament Strip Width: 1.3cm~2.3cm / 0.51in~0.9in Rubber Mutes (without handle) Size: 10.2 * 1.3 * 1cm / 4 * 0.51 * 0.39in Package Size: 18 * 15 * 4cm / 7.1 * 5.9 * 1.57in Item Size: Rubber Mutes (with handle) Size: 4.7 * 1.1 * 1cm / 1.85 * 0.43 * 0.39in Package Weight: 143g / 5oz Felt Temperament Strip Thickness: 0.5cm / 0.2in Material: Wool Felt+ Rubber+ Metal Package List: 1 * Felt temperament strip 2 * Rubber mutes with handle 90 * Felt temperament circles 1 * Wrench hammer 2 * Rubber mutes