The Danco counter top vessel mounting ring can be used as a spacer in select glass and stone vessel sink installations. This increases the overall height of the vessel sink. Use of this piece helps the overall stability of the vessel sink as well as the seal between the sink, counter top and vessel drain. The Danco Decorative Vessel Sink Mounting Ring is used specifically for umbrella drain vessel sinks. The chrome finish is sure to match most existing fixtures. This mounting ring is the perfect piece to finalize your vessel sink DIY installation.