The DEC DU1PU 24VDC 16A 250VAC markings are easy to read when space is tight.
1pc New SMC Stainless Steel Push-in Fitting KQG2H08-00
You will find that the KanSmart brand is used for this relay, and it looks solid in person.
The blue casing feels solid, and it adds a gentle contrast against the typical metal parts.
When I used the FTR-F3 model, its consistent click gave me confidence in the circuit.