Amazon.co.jp: Cherry MX RED Switches, Pack of 10 : Computers
Kailh Mechanical Key Switches - Linear Red - 10 pack [Cherry MX Red Compatible] : ID 4952 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
The Cherry MX Low-Profile RGB (Red) Switch | GamersNexus - Gaming PC Builds & Hardware Benchmarks