Left-hand hinge for 400 series Frenchwood hinged patio doors in White finish. Includes single hinge (leaf and hinge receiver), screws, and instruction guide. 

NOTE: If replacing one hinge, replace all hinges on the panel as well.

Andersen has 3 generations of hinges:
1. 1989-1991: These hinges had one hole in the center of the tab.
2. 1992 to November 2005: This generation had two holes.
3. November 2005 to present: These hinges are totally different and require modification if being used to replace older hinges. See the first article below for more information.

Related Hinges: 
White 1-Pack - 2578972 LH / 2578944 RH
White 3-Pack - 2578981 LH / 2578953 RH
White 4-Pack - 2578990 LH / 2578962 RH

All About Doors Guide: How to Replace Old-Style Andersen Hinges with New-Style
Manufacturer's Guide 0005105: Adjusting Andersen Hinges Made Pre-November 2005
Manufacturer's Guide 0000127: Adjusting Andersen Hinges Made Post-November 2005
General Information: How to Identify Andersen Hinges