Brand : TECSEE Switch Mount : 5-pin (PCB Mount) Switch Type : Tactile Bottom Out Force : 68g Actuation Force : 55g Actuation Travel : 1.8mm Total Travel : 3mm Top Housing : Nylon - Transparent Clear Stem : Nylon - Transparent Orange Bottom Housing : Proprietary Blend (PME) - Light Orange Lube : Lubed (Factory Lube) This switches feature a proprietary plastic blend from TECSEE called PME. This material is used for the bottom housing and provides a slightly deeper sound signature than other traditional plastic blends. The switches also utilize newest TECSEE Nylon long pole stem for a more solid bottom out sound with very lightly lubed and while they are ready to go on any mechanical keyboard, those inclined to tune their switches will find an excellent starting point.