One of three Chrome Plated Bottle Stoppers, this version has two "O" rings to seal the wine bottle, and a 5mm brass thread.

See also the Z1067 Chrome Plated Stopper which has multiple rings in the sealing area, and a 5mm brass thread.

See also the Z1066 Chrome Plated Stopper which also has multiple rings and is supplied with an 8mm thread which has a hexagon key hole in one end to enable screwing into the turned wooden knob.