Gateron EF Grayish switches are heavy tactile mechanical keyboard switches produced by Gateron's sub-brand, Ever Free (EF). These switches are designed to provide a satisfying typing experience at an affordable price point. 

Key Features:

• Type: Heavy Tactile
• Operating Force: 59±10 gf
• Pre-Travel Distance: 2.0±0.5 mm
• Total Travel Distance: 3.4 mm maximum
• Materials:
  • Stem: Polyoxymethylene (POM)
  • Top Housing: Polycarbonate (PC)
  • Bottom Housing: Nylon
• Mounting: 5-pin PCB mount, compatible with standard 5-pin MX mechanical keyboards
• Factory Pre-Lubed: Yes, for enhanced smoothness
• LED Support: SMD-compatible

Design and Performance:

The EF Grayish switches feature a long stem pole and a pronounced tactile bump near the beginning of the keystroke, providing a satisfying typing feel. The combination of PC top housing and nylon bottom housing contributes to a balanced sound profile. The factory pre-lubrication ensures smooth operation out of the box.