1300 Lb. Heavy Duty Suspensions Porch Swing Springs Hanging Kit Hammock Chairs Product Features Premium Material: The hooks and the hardware are made of 304 stainless steel, the springs are made of high quality steel, heat treated, zinc-plated and clear-coated. You can use them on your patio, porch, and ceiling mount. All parts are designed for long life time use with no rust, corrosion or worn out. Various Applications: hang swing bench, hanging chair, hammock or hammock chair and punching bags, you can also use it for industrial application where need reduce vibrations and shocks. All In One: All installation hardware are included both for wood ceiling or concrete roof, no hustle rush to the hardware store to find correct accessories. Multiple Choice: We offer two types weight capacity of 650lbs and 800lbs. Please choose correct capacity and one set or two sets according to your applications. Safety: All kits are designed with capacity redundancy, and some safety measures are taken into consideration, such are plastic caps at the end of the spring wire to prevent scratching fingers and hanging ropes, it also prevent the springs falling off the hokes. The premium heavy duty wire ensures these springs never broken under heavy load. The stainless brackets and all stainless hardware ensure the products never get rust or worn out under long time service. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!