Where do I get the pens they use at a salvage yard to write on parts?

Hi im looking for the pens to write on auto parts. Everyone says paint markers but i just want the pen like the yellow ones they use at a salvage yard. please help thanks. also would a white sharpie work ?? Where do I get the pens they use at a salvage yard to write on parts?
Welding supply companies will have them they are just steel markers.