PREMIUM HEAVY DUTY MATERIAL: The double hooks are made of strong iron. The three types of upgraded screws are longer and more durable. Using high quality plastics and steel can withstand heavier items, our hooks have three melting points instead of 2, which makes the maximum load capacity can reach 40 kg. Perfect for Heavy Objects - Made of high quality steel and non-slip PVC rubber, they are durable to hold heavy objects firmly and protect the surface of products from being scratched. Perfect for organizing your heavy tools in the garage, garden, shop, basement or warehouse. Different sizes and functions: it comes in 5 different sizes to accommodate different tools, such as ladders, folding chairs, brooms, shovels, bicycles, power tools and other heavy or bulky items. Double hooks designed to hang air hoses and lawn tools, part of outdoor equipment. Effortless installation - Black wide thread anchors can be used on plaster walls, and white expansion plugs for use on wood, brick and concrete walls, both require the supplied steel screws. Space Saving: Maximize your space and eliminate clutter from garage room with this handy organizer. Use extra wall space in the garage, basement, warehouse or home to create efficient storage. Keep your space organized and clutter-free. Number of shipments:12 pcs