Which mechanical switch suits you? - Coolblue - anything for a smile
Kailh Big Mechanical Key Switch - Linear Dark Yellow - 1 Piece : ID 5305 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Kailh Mechanical Key Switches - Linear Red - 10 pack [Cherry MX Red Compatible] : ID 4952 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits