Designed specifically for upright pianos, the hammer long spring is a crucial component in the piano's action . Its metal construction makes longevity and consistent performance, making it an indispensable part of any piano repair kit. This spring helps restore the touch feel of your piano, making that each key press is met with the right amount of resistance and rebound. Features -Color:Golden -Material:Metal -Size:5.40X0.30X0.10cm/2.12X0.12X0.04in -metal construction: crafted from Metal , these springs are built to withstand regular use and provide consistent -Enhanced performance: make your piano key accurately and swiftly with these precisely springs, improving your overall playing experience -Convenient maintenance: these springs are specifically designed for upright pianos, making them an essential component for easy maintenance and repairs -Extended lifespan: treated to prevent deformation, these springs offer longterm reliability and durability, making your piano remains in excellent condition -Userfriendly design: the springs are designed for installation, allowing users to easily replace and install them without list: 10 x piano springs