Kailh Mechanical Key Switches - Linear Red - 10 pack [Cherry MX Red Compatible] : ID 4952 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: Cherry MX Red Keyswitch (10 pack) - MX1AL1NN | Plate Mounted | Linear | by himalayanelixir : Electronics
Amazon.com: Cherry MX Red Key switches (10 Pcs)- MX1AG1NN | Plate Mounted | Linear Switch for Mechanical Keyboard- in Protective Box : Electronics
Cherry MX Red Hyperglide Linear Switch - MaxGaming.com