This is a set of hanging chairs replacement accessories, which are manufactured with alloy material, durable and practical. They are perfect for hammock chairs, porch swings, swinging chairs, punching bags, or hanging any other heavy object from an overhead mount.Features- Material: Alloy.- Size: About 12x3.4x3.4cm/ 4.72x1.34x1.34 inch.- This is a set of hanging chairs replacement accessories, which are manufactured with stainless steel material, durable and practical.- Equipped with a hook, a screw and a set of bolt and silencer, it is suitable for installation of hammock frames, hammock chairs, porch swings, sandbags and other home hoisting decorations.- The spring helps to reduce the pressure caused by the impact, providing a more comfortable, softer feel and extending the life of the hammock.- Rotating hook can be rotated in all round without any tangles or distortion.- You can replace the old one to ensure you and your family's safety.