This Space Bar is listed here as SKU: pp-zu-2772.
On the Zutter site, zu-2772 is the space bar for the blue Bind-it-All, version 1.0. There is a different space bar for the pink Bind-it-All, version 2.0. This link shows how to use the space bar -- http://www.binditall.com/SpaceBar.html
Unless I'm not doing it correctly, this was useless. When I put it in my machine there were spaces on either side of it and my papers slid down into those spaces as if I was not using this at all. I really liked the idea of having the holes punched closer to the edge of the paper, but I could not make this happen.
I would give this zero stars, but I could not submit this unless I gave it a star rating.