I have some new vials and I think you guys should know that I have tried 3 consecutive times to draw and shoot with the same pin and tip got bent so bad on every one that it WOULD NOT PENETRATE my skin! I tried, with quite a bit of force, and it simply would not work. The tips folded over - they were completely useless after ONE PASS through the rubber stopper. I see no need in talking about the source of these vials. The point here is to inform those who were unsure as to whether or not this actually happens. THERE ARE TIMES WHEN YOU DO NEED EXTRA PINS ON HAND GUYS!!! Hope you all have them.