Material: metal iron + electroplating, high quality iron lamp top. Scope of application: chandeliers, chandeliers, lantern hooks, bird cages, flower basket hooks, etc. . EASY TO INSTALL -: Flexible cable passes through the center of the hook, providing set screws ensuring the screws are securely tightened into the ceiling joists. Size diameter 10 cm Unique design: 10 mm holes for matching threaded hooks, complete mounting kit available You can safely hang loads up to 5 kg (12 lb) Customer Service: If you have any questions about your order, please feel free to contact us and we will resolve the problem for you as soon as possible. All accessories are included and easy to install.< /p> Suggestions: 1. Please turn off the power before installation! 2. When drilling, please measure the distance before drilling. 3. The above measurements are manual measurements, please allow 1-2mm error. Through the high temperature electroplating process, there are a variety of colors to choose from, suitable for different styles The interior and exterior are the same color and come with a complete set of mounting accessories. Suitable for installing lanterns, chandeliers, hooks decorative, etc.