Brand : AFLION Switch Mount : 5-pin (PCB Mount) Switch Type : Linear Bottom Out Force : 60g Actuation Force : 50g Actuation Travel : 2mm Total Travel : 4mm Top Housing : Polycarbonate (PC) - Sky Blue Stem : POM - White Bottom Housing : Nylon - Sky Blue Lube : Lubed (Factory Lube) These are AFLION switches, manufactured by Dongguan Golden Orange Electronics Technology Co., Ltd. AFLION Blue Sky is a smooth linear switch with minimal stem wobble. It also has less spring and leaf ping than competing switches. Blue Sky uses a standard single-stage 15mm spring and POM long pole stem, ensuring flawless activation and satisfying feel every time.