The Frelan Hardware Plain Ball Glass Door Knob on Rose Polished Chrome has a plain ball knob which is a more popular glass shape.  This polished chrome finish is practically maintenance free - dirt deposits can be removed with a a soft cloth and hot soapy water. The glass used for this door knob makes it a stand out fitting on any door in your home. Matching Accessories for the Plain Ball Door Knob Please note – when purchasing locks and latches to us with this knob we recommend that they have backsets no smaller than 82mm (with a 102mm case) to accommodate th...