Kailh Box JELLYFISH Switch 5-pin 47gf Linear switch with Dustproof stem Extension Spring,compatible with MX mechanical Keyboard, the Kailh Jellyfish switch has many of the benefits of its namesake—with almost none of the drawbacks. Part of Kailh's Box Series, the Jellyfish features durable polycarbonate housings, a high-molecular polyamide stem, Box Series-exclusive structure to improve service life. And with corrosion-resistant, gold-plated hardware, it's anything but fragile. Requiring a moderate 50 grams(Linear) 47 grams (Clicky)of force to actuate, . Plus, it's factory pre-lubed, so it takes to each keystroke like a (jelly)fish to water. Alongside its linear smoothness, a transparent stem and housings add to the jellyfish similarities. Great for showcasing RGB lighting, these transparent components also reveal the gold-plated spring—which measures a lengthy to minimize noise and maximize rebound ;and Provide a firmer fit for the keycaps, so that you can choose from a variety of available keycaps, which is better compatible with mechanical keyboards