A nice touch is the Switch Harness Set, and it feels sturdy enough for repeated use.
Mtl-Measurement Technology Mtl 2211 2-Channel IS-Input Switch Operated Relay
A nice touch is the clean print of model 301-1C-C-R1 U01 12.
This relay bears the AMERICAN ZETTLER / MCE mark, a name that has been around for quite some time.
You will find that the relay fits common project boxes, which keeps builds tidy while still allowing easy access for future adjustments.
The relay offers a satisfying mechanical snap, and what stands out about it is that the sound helps you know it worked.