This is a mini pushbutton momentary switches holder without suspension tabs speacially designed for Graflex 2.0/2.1/2.5 clamps for assembling functinal bubble strip/card activation system. It has two spots to hold metal springs for spring-loaded bubble strip/card. For perfect fit may require minor custom modifications.
You have to find/buy separately:
- x2 6x3.5x4.3mm Mini Pushbutton Switch (PCB-Mount, 2-Pin, SPST) from mouser, digikey, ebay, Pololu (https://www.pololu.com/product/1400)....
- x2 3-4mm OD, 8-10mm long metal springs from ebay, or spring loaded ballpoint pen.