That looks like the right one that was in the data sheet I posted, and it got good reviews. It's hard to tell what it looks like when it is still in the box!
http://www.erico.com/public/library/fep/LT1476.pdf
If you look at the end of the box you will see an image of it.
Satellite image with green lines added to post #104, as per your OK.
I have to leave now; will be back when I have more time.