Passage doorknob set with octagonal glass doorknobs.
Doorknob and is mountings have a polished brass finish.
2 1/4 inch Knob diameter
Square threaded spindle diameter is 5/16 inch.
Threaded shaft extends 3 inches from doorknob. 1 1/4 of shaft is threaded.
Note: This doorknob fits old style doors with square holes for the door knob shaft.
Dimensions are approximate and may vary slightly.