Pls pay attention:Switch only. Not compatible with cherry MX switch body. Features: 100% brand new and high quality New Omron exclusive Romer-G Logitech G512 Mechanical keyboard shaft for Logitech G512 G910 and G810. Speed upgrade 25% new LogitechRomer-GIt is a key shaft mechanical trigger distance of up to 1.5 mm. Compared with other mainstream products, touch distance decreased by 25%, while the speed increased by 25% The default switch body has a light guide column, Logitech G310 / G413 and some other keyboards need to remove the light guide column to install. Specifications: Color:Gray OMRON:Romer G Black body:Operating force 45g,Tactile the lifetime of Romer-G switch is 70 millions times Package includes: (Without retail package) 2 x mechanical keyboard switchs