Brand : Gateron Switch Mount : 5-pin (PCB Mount) Switch Type : Linear Bottom Out Force : 67g Actuation Force : 50g Actuation Travel : 2mm Total Travel : 4mm Top Housing : Polycarbonate (PC) - PANTONE 151 C Stem : POM - PANTONE 395 C Bottom Housing : Nylon - PANTONE Bright Red C Lube : Lubed (Factory Lube) These linear switches by Gopolar and manufactured by Gateron are a new improved mold based on the KS-9. They feature a two-stage 18mm spring and factory lubrication for a smooth typing experience.