Specification：
Quantity: about 90pcs
Color: Gold
Material: Metal
Size: 2.3 x 0.4mm /0.09 x0.06in
Features:
1.Replacement method: Remove the spring, sweep the hole, add glue, put in the new spring, put the action back.
2.These springs can be used for upright piano keys to replace keys that do not work properly due to spring wear.
3.The piano spring has fine workmanship, good elasticity and long service life. Piano springs are made of high quality brass material and are .
4.Replacement piano action part to replace worn, weak or broken jack springs.
5.Remove action, remove spring, sweep hole, add drop of glue, put in new spring, put action back in.
Pack of list:90 x Piano Jack Springs