MX2A is the newest line of switches produced by Cherry. The MX2A line focuses on consistency, smoother typing feel and the classic sound profile enthusiasts have come to love from the cherry lineup. Specifications:Switch Type: LinearActuation Force: 63.5gTotal Travel: 4.0mmTop Housing: Milky NylonBottom Housing: NylonStem Material: POM Factory Lubrication: NoSpring: 15mm Manufacturer: CherryAvailable in: 10 pack (.5/switch) or 450 pack (.45/switch)Please note: These switches are unlubricated from factory. However, some residue is noticeable on the legs of the stem. This does not affect the performance of the switch or alter the push feel, but it should be noted. This is easily removed through standard switch modification if you prefer, but we didn't notice a difference in testing