They are very small. But like I had said, some one mentioned using it and I was just looking for others experiences with it. It wasn't even a thought for me until I saw it in a post today. I have a box of them and no real use, would be nice to get rid of them. Don't worry yourself about it.

Slin pin: 29g 1ml (dose works for my cycle)
Not sure it will even push through a gauge that size or go deep enough, that's why I asked.