The Reliabilt 6-1/2" Decorative Ring Door Knocker in Matte Black Finish #3703291 is a modern and stylish addition to any home. Made of durable zinc die-cast, this door knocker features a sleek ring design in a matte black finish, adding a touch of elegance to any door. With a diameter of 6.5 inches and a length of 12 inches, this door knocker is both functional and visually appealing, making it a perfect choice for those looking to upgrade their home's exterior.