Type: Ahead Tactile Switch Operating Force:50gf Spring Force:40gf士2gf Pre Travel:2.0mm +0.5mm Total Travel:3.4mm Max Stem:POM Top Housing: PC,Green Bottom Housing: PC, Green Spring:22mm dual-stage long spring LED Support:SMD Pre-lubed: Yes Pins:5-Pin Keyboard Switches & GATERON Beer Key Switches – Gateron Custom Key Switches Tsingtao Beer switches are 5 pin plate mounted custom key switches made for DIY enthusiasts to obtain satisfying typing feelings with more affordable options as they wish. TsingTao Beer Key Switches Dark Green color 50gf Tactile Keyboard Switches – Different from Gateron baby kangaroo switches and its 2nd generation, Beer Key Switches Tactile Switch is produced with a 22mm dual-stage long spring that is aimed to create unique and smooth feedbacks. The spring force of Gateron Beer Key Switches is 40gf士2gf. Gateron beer key switch is SMD LED compatible. And the pin is upgraded with a 3-layer pin, making the whole structure much more reliable. And the top housing is also upgraded with the light guide column surface in texture finish, which makes the LED effection more even and consistent. Durability – Approximate lifespan of 80 million times of keystrokes based on laboratory durability test. Meanwhile, a single package box comes with 35 switches with a plastic tray that can securely house switches and can be served as a lubing station if necessary. So the switches will not shake for better performance. Oxidation-resistant alloy contact point. Entended lifespan and guaranteed conductivity. 22mm Dual-stage Long Spring brings a unique tapping experience. The rebounce is amazing. Gateron beer keyboard switches is a pre lubed tactile style.