90-Piece Piano Felt Washer Set for Keyboard Maintenance

This piano felt washer set is a practical music instrument parts solution for keyboard maintenance and tuning work. It helps reduce unwanted movement and supports even key action, making it a useful piano repair part for technicians and restorers. The small round keyboard felt washer shape offers a neat fit for piano key mechanisms, with size options in 0.8 mm and 1.6 mm thickness for different repair needs. Supplied in a 90-piece pack, this set gives tuners and repair shops a convenient quantity for routine replacements without frequent reordering. Used during keyboard service and adjustment, it helps improve stability and support consistent performance in everyday piano maintenance.