Ultra Durable Heavy-duty PBT plastic with a textured surface resists wear and shine while providing added grip for long-term durability and performance with a sharp, modern font delivering superior keypress stability and fade-free backlit legends. Standard Button Row Layout This full-size keycap set is compatible with all CORSAIR mechanical and optical-mechanical keyboards with a standard bottom row, as well as all other CHERRY MX-compatible keyboards. Everything You Need Comes with a full set of keycaps, convenient key puller tool, and optional silicone O-rings to soften the sound and feel of keystrokes.