90pcs Piano keyboard washer & 1pcs Piano Spring Rail Felt:Color: green & Dark-green ,Material:wool felt & Hairy Model Number:Piano Repair Parts Practical and useful. Set of 90 balance rail punchings. Piano regulating tools,useful piano accessory. Replacement for worn or moth-eaten punchings. High Quality Piano Felt Rail Spring Piano Repair Parts. perfect for use on spring rails among other light commercial applications. Great for repairing piano replacement parts. Outer Diameter:22mm/8.7 inch Inner Diameter:3.5mm/0.14 inch Thickness:6mm / 0.24inch Size:126.5*2.5*0.52cm Color: green & Dark-green Material:wool felt & Hairy Package Contents: 90 * Piano keyboard washer 1 * Piano Spring Rail Felt Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.