Easy InstallationThe sharp points of the vinyl coated ceiling hook bite into wood quickly and easily. Drill a small starter hole with a hand drill and just screwed them in place. Loading WeightScrew in wall hooks can bear at least 50 pounds weight. 1 inch open mouth of the white ceiling hooks prevent items from sliding off.0.9inch screw can firmly bite into wall, wood and ceiling MaterialThe small hooks screw made of vinyl and zinc steel, so it prevents rust and is easy to clean. Perfect hooks for hanging outdoor string lights Save SpaceThese vinyl coated screw-in hooks help to create extra room in your kitchen by hanging cups, mugs, pots, brooms and other goods. NoteThis cup hook contains functional sharp points, please put it away from children and babies.