Porch Swing Springs are made of heat treated stainless steel springs with a one piece weight capacity of 500 lb. They feature an even suspension system designed to increase the elasticity of a hammock chair. Benefits - Improve comfort with an even suspension system that increases elasticity for hammock chairs. - Durable and reliable: premium 304 stainless steel heavy duty springs that absorb shock and help preserve longevity. - Quiet and smooth: reduces noise, vibration and stress during use. - Safer and more stable: asymmetrical spring hooks are designed to bear more weight and help prevent tilt of the hammock chair. - Simple placement: located between the overhead support and the swing chain to provide a softer, more comfortable feel. Key attributes - Material and construction: heat treated stainless steel springs; premium 304 stainless steel heavy duty spring. - Capacity and design: one piece weight capacity of 500 lb; slight extension spring. - Hook design: asymmetrical spring hook for increased weight bearing and tilt resistance. - Installation position: the spring sits between the overhead support and the swing chain. - Compatibility: suitable for porch swings, standing swings, hammocks and hammock chairs. Use scenarios - Scenario 1: Outdoor porch or deck swing. Install the springs between the overhead support and swing chain to achieve a softer, more comfortable ride and smoother weight distribution for everyday use. - Scenario 2: Freestanding porch swing frame. Use the springs to enhance shock absorption and longevity, reducing wear on the chair and support structure. - Scenario 3: Hammock chairs under an overhead structure such as a gazebo or tree-supported canopy. The springs provide improved elasticity and prevent tilt, improving comfort and safety during lounging.