Gadgets Cherry Switches Mechanical Keyboards Superman December 4, 2019 Suitable for most mechanical keyboards with MX axes, not for membrane and notebook keyboards.Aluminum alloy key cap, three-dimensional relief design using electroplating, electrophoresis, such as painting processUnique metal texture with R4 height for a better experienceThe slot opening on the back of the keycap is designed to better correspond to different axes of different keyboards.