A nice touch is that the TYCO brand is easy to read, so you can verify the source quickly.
NABCO MRS-LD Volt Sense Relay Range 1.0 TO 3.0 DC24V
You will find that the TE brand is on the casing, and that gives a sense of trust.
A nice touch is the click the 4016819 makes, giving quick feedback as you test circuits.
The Dold LG5925 Series feels made, and its terminals grip wires firmly without over tightening required.
You will find the brand identifier 935-2425-010-14 printed cleanly, helping avoid mix-ups during quick replacements.