What stands out about this listing is how the 4RD00779404 model appears in the description for quick reference.
Vintage NOS Steveco 90-291 Relay Single Pole LOT OF 2
What stands out about the ARD4UR model is the smooth relay action, and you will find that it feels reassuring under load.
Many people look for the White-Rodgers name, and it is right there on this general purpose relay.
A nice touch is that the HH53P comes with clear markings, making setup less confusing.