I got these from Amazon. I like them becasue the kind that you have pictured, when heated by disty, will invariably pop off right when you need it to happen the least. These have the rubber gasket seal on the plunger itself. Does not pop off.
I also picked up a pack of these. I find the larger gauges help get the disty into your cart a little better than the standard 14 gauge blunt tip.
Yes, I use syringes with blunt engineering needles for a lot of things.
These are what I'm currently using:
and
You need needles that are at least 12-14 gauge to transfer e-liquid with any kind of speed. And the 8-10 gauge ones are handy in case I need to transfer e-liquid or VG that's been in the fridge or freezer.