Top Housing: Nylon Bottom Housing: Nylon Spring: double stage SMD LED Support :Yes Pre-lubed: Yes Pins: 5-Pin Silky Smooth Linear Travel.Premium Components.The Gateron Mars switch is well-crafted and striking in appearance and thanks to the 3.6-millimetres of actuator travel, it provides a slightly shorter roundtrip for quicker typing and gaming, and with 45 grams of actuation force and no tactile bump to get in the way, the action is clean and satisfying. Rated for 80 million actuations, which is enough to keep you typing for years to come. Type Linear Operating Force 45gf Pre-Trave 1.2mm Total Travel 3.6mm Spring double stage Top-Notch Materials.A Tactile Ride With Weightlessness Switch.The 50 grams of required actuation force ensures an impressively substantial keystroke, while the 3.4-millimetre travel delivers the right balance of distance and quickness for typing and gaming, which is perfect for middle-of-the-road types. The Weightlessness switches are factory pre-lubricated and tested to up to 80 million actuation cycles to ensure long-lasting, resilient performance. Type Tactile Operating Force 50gf Pre-Trave 2.0mm Total Travel 3.4mm Spring double stage Gateron X KeysMeSatisfying, Consistent & Ultra-SmoothKeysMe is partnering with Gateron to launch the exclusive Weightlessness switches and bring them to the mechanical switch market. Comes with factory pre-lubed, it is designed with eye catching color to perform a new level of smoothness in each keystroke and significantly wobble less than a regular mechanical switch. With a tactile design, carefully selected components, and a light-to-moderate 50 grams of required force, these little typing cubes make each actuation melt right into the keyboard.