A nice touch is the heavy duty rating printed clearly, so you know it is ready for demanding circuits.
GE-EMD Relay 8424310 TSR 74VDC 10A 550 Ohm Coil 6NO Type 36330017-09
This heavy duty relay has a satisfying heft, which makes me confident it will last through frequent use.
You can tell this heavy duty relay is made for tough spots, with thicker casing than many alternatives.
The heavy duty build quality is clear as soon as you mount it, and everything lines.