Model Number:Piano Repair Parts
Practical and
540 balance rail punchings.
Piano regulating tools,useful piano accessory.
Replacement for worn or -eaten punchings.

Outer Diameter:22mm/8.7 inch
Inner Diameter:3.5mm/0.14 inch
Thickness:6mm / 0.24inch
Color:green
Material:wool felt

Package Contents:
540 x Piano keyboard washer