So I bought one, it is less than $10

https://www.leevalley.com/en-us/shop...e?item=05N5410

It seems to tiny, and I know exactly how I will use it!

pocket_square_01.jpg

Yes that is next to two pens. They are larger than most pens, but, I did not get the sense for size even though Lee Valley has a pencil in their photo.