130-Degree 9/16-Inch Diameter Fire-Rated Glass Lens Door Viewer Knocker In Satin Chrome

130-degree 9/16-inch Diameter Fire-Rated Glass Lens Door Viewer Knocker in Satin Chrome
FIELD OF VIEW: 130° wide-angle view expands entryway coverage without excessive image distortion
LENS DIAMETER: 0.56-inch glass lens provides slightly larger viewing area with minimal distortion
VISIBILITY: Balanced wide-angle design improves side-to-side visibility while keeping images clear and recognizable
HOUSING: Solid metal housing withstands high-traffic, multi-unit environments
GLASS LENS: Tempered, scratch- and impact-resistant optical glass with fire-rated performance
HEIGHT: 5-inch overall height delivers a standard, full-size knocker profile for multifamily and hospitality doors
SECURITY: Tamper-resistant exterior prevents removal from the outside
DOOR FIT: Fits standard door thickness ranges from 1-3/8 in. to 2-1/8 in.
SECURE FIT: Threaded barrel design provides rattle-free installation and prevents loosening over time
INSTALLATION: Quick drill-through install — no specialty tools required
COMPATIBILITY: Compatible with wood, metal, and fiberglass doors
FIRE RATED: Fire-rated construction maintains lens performance under elevated heat conditions
APPLICATION: Ideal for interior corridors, apartment units, and controlled-access entries

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