84 KEYS: This portable replacement keyboard features 84 keys with a lifespan of approximately 5 million keystrokes to meet your needs. DURABLE and COMFORTABLE: The replacement keyboard keys are made of ABS and aluminum alloy, making them durable and comfortable. APPLICATION SCOPE: Suitable for SP for Lenovo Z470, for Z370, for Z470G, for Z475A, for Z370AT, for Z370G, for Z375 keyboards. REPLACEMENT PARTS: This keyboard is an ideal choice for maintenance or replacement for SP for Lenovo Z470, for Z370, for Z470G, for Z475A, for Z370AT, for Z370G, for Z375, etc. EASY TO USE: The replacement keyboard keys are easy to use and can be used after installation without a complicated process. Item Type: Replacement Keyboard Keys Material: ABS, aluminum alloy Application Scope: Suitable for SP for Lenovo Z470, for Z370, for Z470G, for Z475A, for Z370AT, for Z370G, for Z375 keyboards Number of Keys: 84 Key Lifespan: Approximately 5 million keystrokes 1 x Replacement Keyboard Keys