High-quality carbon steel material: This ceiling hook is made of galvanized steel, which is stronger, more durable and more corrosion-resistant than ordinary steel hooks. A long service life is ensured when the light fixture is installed and it is completely reusable. Rocking design: It can open automatically and use spring force to support itself under any circumstances. 25mm round washers and locking screws provide more secure protection for your installation. The switch blade can cover a larger area and is suitable for installing hooks in hollow walls. The wings can distribute the load over a larger area. Large load capacity: This ceiling hook has been professionally tested and has a load capacity of 10 kg, which can withstand the weight of most lamps. The comprehensive design makes its structure more stable and the shifter can distribute the load more widely. Hanging for a long time, items will not fall. Save space, keep tidy: save space, keep your space clean, and keep your household items clean. With a hook installed for your storage space, even cluttered items can be hung wherever you install the hook. Make your life cleaner and tidier. Widely used: Sturdy ceiling hooks are perfect for hanging plants, chimes, lamps, curtains, bedspreads and other decorations and light objects. Also used for fixing lamps, curtain handles, cable ducts. Product dimensions: total length: 95mm. Wire diameter : 4mm. Note: The data are all measured manually. Due to differences in light and display, please allow 1-3cm error. Please refer to the actual item received.