Features: 1Rugged and durable made of highquality brass it is not easy to rust and fade and long service life. 2The welldesigned unique pattern appearance design gives people a sense of majesty. 3Exquisite craftsmanship and fine workmanship are good choice for your furniture hardware accessories. 4It is easy to install and it contains accessories so you can install it immediately. 5Easy to use with heavy pull simple structure and easy to use and has a long collision resistance. Specification: Item Type: Door KnockerMaterial: BrassColor: BlackWeight: Approx. 769g / 27.1ozProduct Size: Approx. 20x18.5cm / 7.9x7.3inScope of application: double door wooden door courtyard etc. Package List: 1 x Door Knocker2 x Screw Sleeve Note: 1. Please allow 12cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.