A nice touch is the clear datasheet notes, which help you understand the relay behavior before you finalize your wiring.
Idec RH1B-UL AC24V Relay NEW With Base Ships on Same Day of the Purcha
You will find that the relay stays cool to the touch even after repeated cycles, which adds confidence during longer testing sessions.
The WAGO brand printed on the side gives a nice touch and makes identification quick during installations.
With Omron, you get a relay that feels solid in the hand and quiet.
A nice touch is the RemoteKit type, and you will find that it helps when testing connections and signals.
It's a nice touch seeing Omron stamped clearly, making identification quick during maintenance.
You will find that the relay switch integrates cleanly into existing control panels.
When I installed the Square D 8501RS14V20, the fit felt solid and the pins lined up.
With the Schneider Electric brand, the relay feels dependable, and it fits nicely into existing control panels.
A nice touch is the protective cover that keeps the relay switch dust free.