Vivere's plate hook has been designed to conveniently install on a ceiling, veranda, pergola or gazebo. By using four 1.5" wood screws, securely fasten the hook into a support beam that will be able to handle a load of at least 250 lbs. Please consult an engineer if you are unclear about the load bearing potential of a given post or beam to be used. Includes 1 Plate Hook (2.5" x 2.0"), 4 Screws, and 4 Plastic Wall Anchors.