Kailh Mechanical Key Switches - Linear Red - 10 pack [Cherry MX Red Compatible] : ID 4952 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
What are the differences between red, brown, blue and black switches in a mechanical keyboard? Which one is preferred by gamers/typers (in terms of performance)? - Quora
Original Cherry MX Mechanical Keyboard Switch Silver Red Black Blue Brown Gray Axis Shaft Switch 3-pin Cherry Clear Switch - AliExpress
Original Cherry MX Mechanical Keyboard Switch Silver Red Black Blue Brown Gray Axis Shaft Switch 3-pin Cherry Clear Switch - AliExpress
Cherry MX Red Gaming Key Switch Linear Switch Custom Mechanical Keyboard Lot | eBay