Brand : Content / KTT Switch Mount : 5-pin (PCB Mount) Switch Type : Linear Bottom Out Force : 53g Actuation Force : 43g Actuation Travel : 1.9mm Total Travel : 3.5mm Top Housing : Polycarbonate (PC) - Transparent Amber Brown Stem : POM - Black Brown Bottom Housing : Polycarbonate (PC) - Transparent Amber Brown Lube : Lubed (Factory Lube) KTT FBB F2 are part of KTT #39;s premium line of switches. They feature polycarbonate in both the top and bottom housing, long pole POM stem, and a 22mm two-stage spring. They are one of the few KTT switches to utilize a MX style latch.