Switch Type: Linear Material: PC Nylon Top and Bottom Housing + POM Stem Operating Force: Actuation Force: 45gf ±5gf Bottom-Out Force: 52gf ±5gf Spring Specifications: 22mm Single-Stage Spring Made with Precision Japanese Wire Travel Specifications: Actuation Travel: 0.9mm ±0.1mm Total Travel: 3.1mm ±0.2mm Lubrication: Factory Pre-Lubricated