Does anyone know the weight of a single hair pin?

Question

I'm doing a lab report for biology and I need to know the weight of a bobby pin like this:

http://content.answers.com/main/content/wp/en/thumb/4/4e/300px-Bobby_pin.jpg

Thank you! :)

Answer 1

I just weighed one.  It was 0.687 gm (687 mg).