The product is made of high-quality material and durable. The combination of hook and bolt allows the hook to be firmly screwed to the wall, preventing the bike from falling off during use. Upright bike rack setup saves space. Ideal for hanging bicycles, electronic equipment, furniture, tools and more. Ideal for most bikes All of our hooks are made from galvanized hardened steel and coated with a soft, scuff resistant, non-slip finish to protect the finish. This helps prevent your items from sliding or moving after storage. Features Heavy-duty hook made of research steel Non-slip non-slip coating Ideal for indoor and outdoor storage Ideal for ceiling storage of bicycles, lawn furniture and garden hoses Soft, abrasion-resistant non-slip coated surface protects surfaces Simple and easy installation Heavy-duty plated Zinc-steel construction for durability Suitable for all types of bikes including road, mountain, hybrid, BMX, cross-country, trial, exercise and kids bikes Specs - Materials. Steel, PVC - Color: Red Package Includes: 6 x Red Bike Hooks with Rods Easy to Install - When using our bike wall hooks, please make sure to install them on a post/wooden wall (not plasterboard) to ensure the hooks are secure . It's easier to install if you drill a small pilot hole, but you can screw them in by hand. Note that your bike's largest wheel diameter should not exceed 5cm, otherwise you can trim the PVC or it will tear the coating when screwed in. Each bike hitch can hold up to 15.43 lbs, which isn't great for heavier bikes.