Andersen Hinged Patio Door Spindle, 3-3/4" is specifically designed to work seamlessly with Andersen 200 Series Inswing Patio Doors, 400 Series Frenchwood Hinged and Outswing Patio Doors, and A-Series Hinged Patio Doors. This durable spindle connects the interior and exterior handles by fitting through the lock mechanism, providing secure and reliable operation for your patio door handles. With a precise spindle length of 3 3/4 inches, it ensures a fit and smooth functionality for your door hardware. Model Number: 2579830