Magnetic J-Hook, Mounting Location Beam, Ceiling Deck, Drop Ceiling Channel, Frame Rail, Metal Joist, Purlin, Top Mount, Color Yellow, Max. Load Capacity 17 lb, Material Mild Carbon Steel, Magnetic, Description/Special Features Can be Reused and Repositioned, Easy Installation, Fully Assembled, Magnet Rated at 90 lb Pull Strength, Standards cULus Listed, UL Listed