About this item Use: Indoor or outdoor: gym, home, outdoor sandbag, boxing bag installation, smooth rotation will not twist the chain. Quiet and smooth design: adopt “load thrust bearing” component, with wear-resisting, heat-resisting, anti-aging and special lubrication function.More flexible and quiet 180° 360° rotation. Weight Limit:This swing hangers holds up to 1000lbs.For your safety,do not over it and 1000lbs may be the best.Safe and reliable. Convenient installation: equipped with drilling bit and screws, the product does not need to be assembled or maintained, and can be used directly. There is no need to tear off the adhesive paper of the dustproof cover during installation. 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!