The products we develop are adhering to the following principles: 1. Safety-oriented (products with substandard design and quality will not be issued). 2. Care for the customer (the new product has been experienced and used dozens of times by the designer himself to achieve the most in line with the use habit). 3. Soul product (making the product into a boutique and elf to bring joy to the customer and send away troubles)When you receive a defective product, please contact us. Thank you!360Rotation:360 Rotated freely swing,the innovative design makes use more flexible and can be used more widely.Such as playgrounds,swings,porch swings or hammock swings.Double protection design:Base enhanced protection design, four points to withstand weight, safer and more reliable.Swing hangers and screws are made of stainless steel 304.Permanent Antirust.Suitable for indoor and outdoor use.Weight Limit:This swing hangers holds up to 2200lbs.For your safety,do not over it and 2200lbs may be the best.Safe and reliable.Easy Installation:Swing hangers with two 0.31" pre-drilled holes for bolting installation to wooden beams, cedar wood, rafters and/or concrete.Include 2 concrete anchor which fit concrete application and 2 hex lag bolts which fit wood application.The included drill bit is only for wood, please do not use it on concrete.