This product has been discontinued and is limited to existing inventory.

This item has been Discontinued and limited to existing inventory, may have minor blemishes.
Interlock for an Andersen Prefinished Terratone gliding door built from 1966-82. This will fit the three panel door. It is Terratone in color. It goes on the operating panel on the side with the lock. It has a cutout in the center to go around the lock mechanism. 

79-7/16 inches long.