Sturdy Hammock HookAll parts made of high quality stainless steel with good toughness,designed to mounting hammock chairs and other hanging accessories.Good weight bearing abilityThe spring hook rated over 800lb capacity, heavy duty, it& 39;s also helps relieve stress from impacts to increase lifespan of your hammock.Easy to InstallJust drilling four holes for the ceiling mount then install the spring and hook, very convenient.Versatile ApplicationPerfect for hammock chairs, porch swings, swinging chairs, punching bags, or hanging any other heavy object from an overhead mount.Specification:Material: Stainless SteelPackage Include:1 X Wall Hanging1 X Spring2 X Hook4 X Stainless Mounting Screws