Alksubbm Maintenance Upgrade Board 7N 20M PCB Button Assembly Shielded Wheel Housing, Square Press Pattern for Service Work, Internal Renewal Component

7N Press Response Rating: The 7N configuration and 20 million actuation rating provide a more defined press feel and a service-ready hardware profile for users planning long-cycle maintenance or work Model-Specific Repair Part: This main button board is suited to replacement, maintenance, and upgrade work, giving repair users a dedicated internal assembly for a worn button circuit instead of a generic spare Protected Wheel Housing: The enclosed wheel area helps limit debris entry around the rolling section, supporting steadier control feel for users replacing aging internal parts inside a frequently used Structured Internal Layout: The PCB assembly pairs with a 5.5 square press structure to more consistent installation alignment, making home repair and component replacement work easier to manage Single Set Purchase Plan: Each package includes a single replacement set for model-targeted service planning, giving maintenance users a focused part option for renewal, upgrade, or routine replacement tasks