This Door viewer is constructed from Zinc Die Cast. It fits a 1-3/8" to 2-1/16" thickness doors. This door viewer features a fire door rated UL listed glass lens. SKU: 42995838 MFG: N830-290 Shop more products by National Hardware. We offer lowest price on Door Hardware Parts & Accessories, save money on large orders with Life and Home. SHARE Share on Facebook Tweet on Twitter Share on Google+ Pin on Pinterest Free shipping over $35 Sold out $10.47 Quantity Sold Out Sold out Request a Bulk Quote Thank you for your quote request. We will be in touch. DETAILS Description DESCRIPTION Highlights: Series: MPB1462 Finish: Polished Brass Material: Zinc Die Cast Used to allow a user to identify visitors from the security of a locked door UL listed glass lens Offers 180 degrees lens angle for wide viewing Requires an 11/16" hole and can be uses in doors that measure 1-3/8" to 2-1/16" thickness Exterior trim width is 1-3/16" Interior trim width is 15/16" FEATURES MFR: N830-290 SKU: 42995838 UPC: 886780013283 Brand: National Hardware