Chinese Door Knocker Material Brass Door Knocker Collision Resistance Double Door For Wooden Courtyard Door Feature:1. Brass material: The door knocker is made of brass material, which is strong and durable, not easy to rust or fade2. Exquisite craftsmanship: The door knocker is well designed and made, perfect for home decoration3. Long service life: The door knocker is not easy to corrode and has a long service life, you can use the door knocker with confidence4. Simple installation: The knocker is easy to install, convenient and fast, and can be completed without complicated procedures5. Heavy Duty Pull: The knocker has a durable pull, simple structure, easy to use, and has collision resistanceSpecification:Item Type: Door KnockerProduct Material: BrassProduct Size: Approx. 20x18.5cm/7.9x7.3inScope of application: Double door, wooden courtyard door, etc. Weight: Approx. 850g / 30.0oz Package List: 1 x Door Knocker2 x Screw