Installing Accordion Shutter Push Lock
The screws attach from the back and through the center mate part of the accordions.
It’s very simple to change.
All you need is a screw driver and know that
counter clockwise= unscrew
clockwise=screw
Do not screw or unscrew with a power tool.
You may overtighten and damage the head of the screw.
Accordion Shutter Push Lock
Accordion Shutter push lock replacement locks, these lock use 1/4-20 threaded screws to mount on panel.