◇ The knocker viewer is used on the entry door to provide privacy when viewed from inside the house, or as a decorative knocker for visitors
◇ The 180 degree peephole requires 9/16"(14 mm) diameter installation hole.
◇ Very easy to fix The knocker can be installed from 1-3/8" to 1-7/8" (35-47 mm) thickness doors
◇ The door knocker is durable zinc alloy diecast construction with brushed nickel finish
◇ The design is stylish and simple, can be well adapted to all kinds of doors like upvc door, woodern door, steel doors
