SwingMate Porch Swing Springs - 600 Lbs Capacity, for Heavy-Duty Suspensions, Safe for Hammock Chairs or Ceiling Mount Porch Swings - American Made - Rust Resistant - Chrome $29.99 B002JKQRTM
SwingMate Porch Swing Hanging Kit - 750 Lbs Capacity, with Heavy-Duty Suspension Swing Hangers, Safe for Hammock Chairs or Ceiling Mount Porch Swings - Rust Resistant Springs (Chrome) $39.99 B00BL78GI4