I did not install these so I cannot vouch for their actual quality. The problem was that the box and bezel were too wide to fit in the jambs of my interior doors. I have 1-3/8" interior doors, which means the door frame it fits in is also 1-3/8". Since the box is 1-3/8" and the bezel is 1-1/2", it will either extend past the edge of the door jamb or you will have to cut out part of the doorstop. If you have a removable doorstop, you can remove it and partially install the bezel under theโฆ