![Jack Spring Hole Reamer AMS Piano Tools Howard Piano Industries Jack Spring Hole Reamer AMS Piano Tools Howard Piano Industries](https://cdn11.bigcommerce.com/s-sramxo/images/stencil/500x500/products/139/18163/A-127_Jack_Spring_Hole_Reamer__89744.1682354502.jpg?c=2)
Replacement piano action part to replace worn, weak or broken jack springs
Package of 100 springs
2 sizes available:
- .015" x 25/32" for spinet and console pianos
- .015" x 1" for upright pianos
Please choose your size
Below is a video demonstrating the process of replacing piano jack springs.