Burns 852 Door Viewer is a UL labeled door viewer. Overall length: 1-3/8" to 2-1/8" door, prep 9/16" hole. ANSI/BHMA A156.6 Type L03221. Mounting options can be specified when ordering.
Door Viewer - UL Labeled
Ansi: L03221
Finishes: US3/605 – Bright Brass US10B/613 – Dark Bronze Oxidized Chrome Flat Black Powder Coat
Material: Brass
Size: 1-3/8" to 2-1/8" Door, Prep 9/16" Hole