8' Double French Doors Multipoint Lock Kit
First, Choose 3 or 5 Locking Points on your Multipoint Lock.
Second, Choose 1-3/4" (45mm) or 2-3/8" (60mm) Backset of the lockcase.
Finally, Within each product choose the thickness of your door 1-3/4" or 2-1/4"
from a drop down menu located at the bottom of the page.