Package: Each package contains 150 pieces of screw hooks. This set of cup hooks has 7 sizes, 30 pieces 1/2 ", 30 pieces 5/8", 30 pieces 3/4 ", 20 pieces 7/8", 12 pieces 1 ", 12 pieces 1-1 / 4 ", 16 pieces 1-1 / 2", Seven different sizes, to meet your needs. Material: Made of durable steel, the screw hook is sturdy and won't warp easily. It won't cut your hands or damage hanging items. Easy installation: Deep screws and sharp screws for easy installation and long life. You can easily install these screw hooks with the pointed thread end in woods, ceilings, walls and other places, easily drilling using their deep screw threads to secure them. Storage: All screw hooks are placed in a transparent box. You can store these seven sizes separately without worrying about their mix. Wide application: A good assortment of screw hooks for home, office, workplace, and indoor and outdoor bars can hang mugs, mug keys and other appliances.