
Originally Posted by
mick86
Until reading this thread I diddnt realise that there were 2 types. Upon reading the packaging just then I discovered that I almost always use Thermo pins but have had a handful of BD's. I still have a few of each, i'll make an effort to spot the difference. Do you guys have access to the screw in needles or just the plug in ones..? They are interchangeable on the same barrels, the advantage on the screw in ones is that they wont accidentally separate from the barrel while you are using them.