I specifically purchased this product for the metal tips that are included in the packaging, although I have ended up using the plastic bottles as well.
I am a quilter and the tips are suggested in a binding technique to scantly apply Elmer's School Glue to fabric. The technique needs exact placement and tiny amounts. These are the tips that were suggested. They are really hard to find.
These work perfectly. I am very happy! (And, I like the new technique!)