Hillman Group 852722 Degree Viewer Review

This turned out to be the right peephole for my door to replace an old, weathered one. Ranging from 1-1/4" to 2" thick, the key measurement that all of these viewers seem to be missing from their Revain description is the diameter of the end flange, which would allow one to see from the inside of the door. If the hole is too small compared to the pre-drilled hole, it won't have "enough door" to fit properly. From what I've found (through trial and error!), these viewers come with either 11/16"…