THESE PCBs ARE DESIGNED FOR USE WITH 3PDT STOMP SWITCHES WITH BUILT IN LED RINGS ONLY
There are plenty of 3PDT daughter boards for guitar effects units out there available to buy from various places.
So what makes these different?? These are different because you can use them as a bypass board or you can use it as a DPDT switch with dual LED indication.
Ordering this will give you 40 x daughter boards
Below is a link to my blog that goes into more detail
http://peperspedals.blogspot.co.nz/2017/08/designing-better-3pdt-daugther-board.html