Yes these are 2x2 nominal, a little less than 1.5x1.5 actual
87 cents ea
Sixteen (16) per bundle.
In my application I was attaching in the back side of the railing (from the deck) going through 3/4” stock so I used 1 5/8” stainless steel screws and it worked very well.
No, they were not angled only because I was not looking for angled balusters; however, there were plenty of angled ones.
Technically yes but I would not use pressure treated wood inside where people are touching it
#16 Baluster's in a Bundel
the 2 x 2 inch measurement is the nominal measurement, while the 1.25" is the actual measurement