Features: Crafted from metal, this piano action spring replacement ensures elasticity and durability, making it for long term piano maintenance and repair needs. Designed specifically for piano repair, this compact 2.6x0.55cm(approximately 1.02x0.21inches) component effectively replaces worn action springs to restores optimal key functionality and improve playing responsiveness. Essential for piano technicians, enthusiasts, and dedicated piano owners seeking professional grade tuning tools to maintain their instrument's performances through precise component renewal. Perfect for routine piano servicing, key mechanism restoration, or emergencies repairs when replacing fatigued springs within the piano's action assembly to ensures smooth, consistent keystrokes during play. Simple installation requires only cleaning the hole, applying minimal adhesive, and inserting the new spring—an accessible upgrade that revitalizes your piano's action with genuine replacement parts. Specifications: Component: Metal Size: Approx. 1.02x0.21inch(2.6x0.55cm) Package Includes: 3 Optional Package: 30x Piano Coil Spring Or 60x Piano Coil Spring Or 90x Piano Coil Spring note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.