Description: Mechanical keyboards Replaceable switch is designed to allow you to change your key switches without the hassle of soldering. Blue Switch: crisp percussive sound, crisp tinnitus, clear sense of passage, strong mechanical sense Red Switch: The sound is much smaller than the green axis, but the speed is fast, labor-saving, and there is no sense of paragraph which can take into account office or game needs at the same time Tea Switch: a little stronger sense of paragraph, can be regarded as a noise reduction version of the green axis, suitable for typing Black Switch: no sense of passage, short stroke, fast triggering, need to apply greater pressure during use, very suitable for gamers Purple axis: an upgraded version of the tea axis, which is roughly similar to the tea axis and belongs to the paragraph axis Provides an unparalleled smooth typing experience and a better sense of percussion Specification: Material: Plastic Switch Size: Approx.15mm x 15mm x 15mm/0.6 x 0.6 x 0.6 inch Package Includes: 1x Mechanical Keyboard Switches(4 Pack) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.