New Ives F436 Dome Floor Stop Set of 2.  These stops have an aluminum base with a grey, replaceable rubber bumper.  These are commonly used on doors without thresholds.  The base height is 3/16”, overall height 1” and the base diameter is 1 ¾” x 2”.  Included with each is an installation screw and if needed, an anchor. This set of 2 is available for $8.00.  Ives R435 1” risers for carpet installations are also available for an additional $2 each.  Email me before purchasing if you are interested so I can make the adjustment.