Was my Pella handle manufactured in 1993 or before?
Pella door handles manufactured in 1993 and earlier have a set screw on the inside of the handle, just like the one in this picture. Newer handles do not have a set screw hole.
![round Kwikset handle](https://extendyourhandle.com/wp-content/themes/extension/images/pella-1993.jpg)
Handle made in 1993 or earlier