Brand : SP-Star Switch Mount : 5-pin (PCB Mount) Switch Type : Linear Bottom Out Force : 48g Actuation Force : - (No Data) Actuation Travel : 2mm Total Travel : 4mm Top Housing : Polycarbonate (PC) - Light Jade Stem : POM - Light Pink Bottom Housing : Polycarbonate (PC) - Light Pink Lube : Lubed (Factory Lube) These SP-Star Yanyu (Jade Pink) switches manufactured by SP-Star are smooth and produces a nice higher-pitched #34;clack #34; due to the full Polycarbonate (PC) housing. Very smooth linear switches with 48g two-stage, 15mm springs.