CONDITION: Pulled from a working Yamaha DGX-640 equipped with the GHL88 graded hammer action. Keys show normal cosmetic wear from use but no cracks, breaks, or mounting damage. Hinge tabs, guide posts, and underside pads are all intact. Cleaned and inspected for smooth operation. Shipped within one day of payment. ? DESCRIPTION: OEM Yamaha GHL88 end-section key set consisting of four keys removed from a DGX-640. These pieces cover the left side of the keyboard and are commonly needed when a piano is dropped, moved, or stored improperly. Includes: ? 1 black natural key (left-end B?/A# style) ? 1 white left-end key with black insert attached ? 1 pair of adjacent white end keys ? Factory hinge mounts and balance points intact Compatible with many Yamaha 88-key instruments that use the GHL88 keybed, including DGX-640/650, P-155/P-255, CP33/CP40/CP50, CLP and CVP Clavinova models, and other boards using the same hammer-action assembly. Ideal for repairing broken or missing edge keys without buying a full keybed. These will drop into place and reuse your existing springs, frame, and contact system. Keys will be packed securely with extra padding to prevent hinge damage in transit. ? SHIPPING SELLER INFO: Ships fast ? 1-business-day handling. 30-day returns, USA seller. ? SEARCH KEYWORDS: Yamaha key replacement GHL88 DGX640 DGX650 P155 P255 CP40 CP50 Clavinova repair