The pack of 10 Gray Keycaps from X-Keys instantly creates a custom layout for your application. You can use these colored keycaps to identify groups with related functions. These keycaps fit all X-keys (except the Stick series XK-4, XK-8, or XK-16). Designed for X-keys these keycaps features solid colored base with a clear cover lens. This pack contains 10 keycap bases and 10 clear cover lenses.