Vivere's plate hook has been designed to conveniently install on a ceiling, veranda, pergola or gazebo. By using eight 1.5" wood screws, securely fasten the hook into a support beam that will be able to handle a load of at least 450 lbs. Please consult an engineer if you are unclear about the load bearing potential of a given post or beam to be used. Includes 2 Plate Hooks (2.5" x 2.0"), 8 Screws, and 8 Plastic Wall Anchors.