Product Description
115-degree 1/2-inch Diameter Fire-Rated Glass Lens Door Viewer Knocker in Polished BrassFIELD OF VIEW: 115° viewing angle provides clear, straight-on visibility for standard doors
LENS DIAMETER: 0.5-inch glass lens delivers clear, distortion-free wide-angle view
VISIBILITY: Narrower viewing angle reduces edge distortion while maintaining clear front-entry coverage
HOUSING: Solid metal housing withstands high-traffic, multi-unit environments
GLASS LENS: Tempered, scratch- and impact-resistant optical glass with fire-rated performance
HEIGHT: 4-inch overall height provides a compact footprint ideal for narrow or small entry 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
FINISH: Available in multiple finishes to match existing hardware ^
Product Videos
Custom Field
MFG Part 874150
UNSPSC Code 30171500