The material used is zinc-plated aluminum alloy ZNAL903, which is more expensive than aluminum alloy and other alloys.
The keycap is designed and made by a three-dimensional relief process, each one is colored individually.
The lowest position of the keycap is about 0.9CM. It is close to the R4 height of the Cherry original factory. The total height is about 1.1cm which is close to the OEM R4 key cap-height. It is suggested to be installed in the ESC, F area and the main key position digital area