Andersen PASSIVE 3 - Point Lock Mechanism.
Lock box with LOCKING HOOKS at top and bottom.
For Frenchwood hinged patio doors

Overall Length: 79-3/8 Inches
Faceplate Width: 7/8 Inch
This lock fits Andersen 6 foot, 11 Inch Frenchwood Hinged Doors.
Zinc Dichromate (Gold) protective finish.

Note: The passive multipoint locks cannot be interchanged.
If you have the older gold colored lock mechanism, it must be replaced with the same type and stainless steel must replace stainless steel.

Resources:
Article: How to Change Handing of Andersen Multipoint Locks
Manufacturer's Guide: How to Replace an a Multipoint Lock in an Andersen Door

Rehanding an Andersen Multipoint Lock