Privacy Door Viewer Cover, 9/16 in. Inside Diameter Ring Fits Door Viewer (Single Pack)

These door viewer covers are constructed of solid brass and come in optional finishes. They feature a 9/16 inch inside diameter and fit over door viewers constructed with 1/2 inch outside diameter cylinders. Privacy covers like these can be used with door viewers that are installed on apartment doors, office doors, service doors, homes, and dorm rooms. Inside-mounted swivel covers like these prevent reversed visibility through door viewers from the exterior.