90 Pcs Piano Front Balance Perforations Piano Regulating Tool

ITEM NAME:90 Pcs Piano Front Balance Perforations Piano Regulating Tool Description: 1 Pack Small Piano Balance Front Rail Punchings Piano Regulating Tool Leveling the keys and regulating how far they travel when pressed Perfect diy parts for pianist Easy to install, convcenient to use Material: Paper Color: Random Size Chart: Diameter: Approx. 12mm/0.47inch Hole Diameter: Approx. 4mm/0.15inch Package Includes: 1 Pack Piano Front Rail Punchings(about 90pcs) SKU: CKX0014293778001577.Leveling the keys and regulating how far they travel when pressed. SKU: CKX0014293778001577. Material: Paper.