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. It can ensure a long service life in all lighting installation work and is completely reusable. Toggle Wing Design: Under any circumstances, it can automatically open and support by its spring force. 21mm round gaskets and fixable screws provide safer protection for your installation. The switch wings can extend over a wider area and are suitable for mounting hooks on hollow walls. The swing wings can spread the load over a larger area. Large load capacity: This ceiling hook has been tested by professionals and its load capacity is 10 kg, which can support the weight of most lamps. The comprehensive design makes its structure more stable, and the switch wings can spread the load over a wider area. For a long time, the object will not fall. Save space and stand well: Save space, keep the room tidy, and keep household items clean. A hook is installed for your storage space, and even messy items can be hung where you install the hook. Make your life more tidy and orderly. Widely Application: The heavy duty ceiling hook is very suitable for hanging plants, wind chimes, lamps, curtains, bedspreads and other decorations and lightweight items. It is also used to fix lamps, curtain trunking, cable groove, coat rack, etc., suitable for fixing light loads. Suitable substrates are gypsum board, partition walls, hollow bricks and wooden boards.