Betooll 2400 Lb Capacity Heavy Duty Swing Hangers For Wooden Sets Playground High Quality: One-piece Iron Casting is heavy duty and superior quality, maximum load of 2400 Lbs. Perfect choice for all kinds of swing set products indoors outdoors, including gymnastics rings ceiling mounts, porch swings and yoga swings Upgraded Hangers: Coated with black anti-rust, BETOOLL swing hangers are suitable for outdoor use in inclement weather. Industrial and custom plastic washers are specially designed to prevent metal rubs, providing a quiet and smooth ride Easy Installation: Comes with complete accessories for installing, 4 mounting screws, 4 washers, 2 oval hooks, easily install the hangers to wooden beams, cedar wood, rafters and concrete Sturdy for Swings: BETOOLL swing hangers hold up to 2400 lbs. Swing away on your trapeze, even if a grown adult! For your safety, do not over it and 2000lbs may be the best Kindly Note: As for drilling holes, please choose 5/16" drill bit, which is the most suitable size. Any problems about the swing set hardware or using please feel free to contact us