Unit of Measure for this product is Piece(s)
If your'e looking for uniqueness, then this is the button for you.
This is a simi-square button with the center caved in. The button
appearance looks like it has been hammered. Very unique and easy to
use with the shank-backing.
Click Herefor Shank
style button detail
Click Herefor Button Size
For exact measurements of the button,
print Button Size Chart