This glass doorknob set can be installed on new or antique doors and will work with contemporary tubular-latches or antique mortise-locks.  Please note that this set is only compatible with antique style 3/4" pre-drilled holes.

Dimensions (knob): 2-1/4" diameter
Dimensions (rosette): 2-1/4" diameter
Material: porcelain, brass (unlacquered)
Includes: doorknobs, rosettes, spindle, and screws

Additional dummy, passage, and privacy hardware components also available.