High-quality Carbon Steel Material: This ceiling hook is made of galvanized steel, which is stronger, more durable and more resistant to corrosion than ordinary steel hooks. It can ensure a long life in any luminaries installation work and is completely reusable. Toggle-type Wing Design: Under any circumstances, it can automatically open and support by its spring force. 21mm round gaskets and fixable screws provide more secure protection for your installation. The switch wings can span a wider area and are suitable for mounting hooks on hollow walls. Toggle wings can spread the load over a larger area. Large Load-bearing Capacity:This ceiling hook has been professionally tested and its load capacity is 10KG, which can bear the weight of most lamps. The comprehensive design makes its structure more stable, and switching wings can distribute the load in a wider area. Hanging for a long time, the object will not fall. Save Space & Keep Tidy: Save space, keep the room tidy, and keep household items neat. A hook is installed for your storage space, and even messy items can be hung on the place where you install the hook. Make your life more orderly and tidy. Widely Application: The heavy-duty ceiling hook is very suitable for hanging plants, wind chimes, lamps, curtains, bedspreads and other lightweight decorations and items. It is also used to fix lamps, curtain chute, cable groove, coat rack, etc., suitable for light load fixing. Suitable substrates are gypsum cardboard, partition walls, hollow bricks, and wooden boards. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.