Anybody use pen needles for slamming clear? I'm having problems with the 5/16 length being a little too long when using the veins that are on my lower arms
Edit: this is what I am referring to when I say pen needles, they're another type of needle used for insulin, etc.
Edit: this is what I am referring to when I say pen needles, they're another type of needle used for insulin, etc.
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