Actual Knocker Dimensions: 5-1/4" x 2-5/16"(135mm x 59mm)

Material: Zinc Alloy 

1. Place tape on inside and outside door surface at drilling points to help prevent wood splitting.

2. Tape drilling template onto door.

3. Drill 9/16" hole halfway through door from each side for door viewer installation.

4. Drill 1/4" pilot hole for upper and lower screw.

5. Install lens from outside (through door knocker), tighten inside retaining ring.

6. Align name plate frame and fasten lower screw.

Polish with a soft cloth. Do not use abrasive waxes or cleaners