0155030 Baldwin Observascope for Door Knocker - Polished Brass
- Baldwin Observ-O-Scope
- Adjustable for door thickness from 1.31" to 2.25" (33-57mm)
- Drill a .5" (13mm) hole completely through the door.
- Insert the lens portion into the exterior side and the slotted scope portion through the interior side.
- Tighten together with a standard screwdriver.