Double Door and French Door Security Hardware with Padlock. Security Locks Bars for Patio Door, French Doors and Outswing Doors. Padlock is Included.High quality materials: Made of structural steel, our French door security hardware is built to last. Reinforce french door security hardware that stops intruders. Durable surface finish: This security lock bar for French doors features an industrial grade powder surface finish. It works both indoors and outdoors for double doors and outswing doors. Versatile design: Our French door security hardware is suitable for different sizes and shapes of door