Technical specifications:

• This model is compatible with the keyboards: QwertyKey61, QwertyKey65, Dareu EK861, 871, RK61, RK837, GamaKay K87, GamaKay K66, Keychron K2, K4, C1 and all 5-pin hotswap keyboards.
• Pre-lubricated Linear Switch
• Acting: 55+5g
• Displacement: 4 mm
• Full black case
• PCB mount (5 pins)
• MX style switch
• Stem: POM
• Top Housing: Nylon PA66
• Bottom Housing: Ink Housing Material