Same 3/4 "....not too accurate, can lightly sand for fit.
They are only primed, and you would probably want to paint them after installation. The priming is very good, but sometimes the finish is uneven and it is likely the primer white will not match your trim finish white anyway.
bottom rail - the lower rail component running parallel with the floor or with the stair on the rise; the balustrade part that terminates spindles at the bottom and, on the sides connects to newel posts
I would assume yes
Glued and wedged from one to the other.
These are primed poplar balusters, and they they are finished using similar methods.
Hi Monica, these balusters are imported. The Red Oak version of these balusters are Made in the USA. If you have any questions, we'll reply as quickly as we can. Thank you.