DON'T USE AMERICAN GLASS! Not only did they take a WEEK longer than they told us, they didn't even drill the middle hole the right size. I asked for 1 inch holes on the left and right, and a 1.5 inch hole in the middle. They wrote down 1.25, and since they didn't have a 1.25 bit (the WRONG measurement anyway) they decided to "freehand" it. So now I have a hole that is the wrong size, crooked, and chipped all to h*ll around the edges.
If I wasn't afraid it would take ANOTHER two weeks to get it back, I'd take it back to the shop and demand they fix it for free.