Brand Gringo Gadgets
MPN GG-DIY-SB1
UPC 811681034013

Check the listing for details. Mini Pushbutton (Momentary) on PCB with Mounting Holes, Pack of 5. Condition: New. Listed at 1.15 USD. Each button is mounted on a small printed circuit board that features 2 holes, spaced 11mm apart, for screwing to your project's chassis or mounting bosses (or spacers).

$0.92
$1.15