Pretty sure they got the whole idea of 3D Printer nozzle wrong on these. LOL!
We go through about 60 nozzles every month on our print farm, but we also sell upwards of 500 or so per month as well. So obviously we buy a lot of nozzles. We get them from the same (chinese) dealer who has always been really good about getting us a few thousand at at time, and they do not mind our quality control checks or requirements. We asked them to source a higher cost nozzle for us as we were going to buy them in a large enough quantity we could get them for the same price as the lower quality nozzles. They sent us these to run through our QC checks: