The pen is retractable, and made out of hard, black plastic, about 5" long and on the thicker side. I think it was a rollerball pen. The unique function of the pen is how it retracted. When you push down on the top the clip (which you normally use to hook into your pocket) would move down as well and latch onto a little plastic bump to stay extended. To retract the pen you would press on the top of the clip to unhook it from the plastic bump. It looks similar to this pen in size and shape (http://upload.wikimedia.org/wikipedia/en/8/86/Pen.jpg), but it's hard, black plastic (it is countered at the bottom to fit your fingers).
Any ideas? I've looked for this pen everywhere because it writes to well.
Thanks.
THE LINK IS http://upload.wikimedia.org/wikipedia/en/8/86/Pen.jpg
Sorry, I can't help you find the pen, but you might like to know that the link to the photo of the similar pen doesn't work.
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