Door Viewers Rockwood 619For Doors 11/16" to 1-1/16" Rockwood 620For Doors 1-3/8" to 2" Rockwood 621For Doors 2" to 2-1/2" Rockwood 622For Doors 1-3/8" to 2-1/8" Rockwood 624For Doors 1-3/8" to 2" Rockwood 626For Doors 1-3/8" to 2-1/8" Rockwood 622VCCover For Viewer 619 & 622 Rockwood 620VCCover for Viewer 620 & 621 Rockwood 627For Doors 1-3/8" to 2-1/4" Rockwood 628For Doors 9/16" to 13/16" Rockwood 629For Doors 15/16" to 1-1/4"