Fitted with hot-swap socket types including for , for and for Good replacement switches for Cherry, for , for , for and for switches Approximate lifespan of 60 million times of keystrokes based on the laboratory durability test Equipped with LED slot ready for LED Mod/Assembly, and are SMD compatible (LED underneath the switch) Come with for MX style structure so would fit most keycap sets with (X) stem Cream Yellow Pro is an upgraded version of Cream Yellow. Major Changes: 5-Pin switches (better stability) Dustproof stem (better stability) Upgrade silver contact to gold Upgrade phosphor copper to alloy copper Lubed rail to reduce friction Overall it should bring a more consistent typing experience. Type:Linear Operating Force:50 ± 10gf Total Travel:3.3 mm Pre-Travel:2.0 ± 0.6mm Tactile Position:N/A Tactile Force:N/A Compatible with most mechanical keyboards with 5-pins hot-swappable socket Colour:Yellow Material:POM+PC Package Contents: 45 * Keyboard Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.