Geon Lucifer HE Switches are hall effect switches that pushes the boundary toward affordability of hall effect keyboards. Made compatible with Venom HE PCB's and other keyboards supporting the Gateron KS-20 footprint.  Geon Lucifer HE Switches Feature: 18 included in each pack Linear Hall Effect Top Housing: PC Bottom Housing: Nylon Stem: POM Spring: 15.8mm, Single-stage Pre-travel: 0.1 ~ 3.7mm (Analog) Total Travel: 3.8mm Bottom-out Force: 45.0g Magnetic Flux Initial: 160Gs Bottom-out: 720Gs 2-Pin Lubed Manufactured by Graingold Price: $0.25 per switch Includes: 18 Geon Lucifer HE Switches