eBay

High Quality----One-piece Iron Casting--very heavy duty and superior quality, maximum load of 10000 Lbs.Perfect choice for all swing set products indoors or outdoors including gymnastics rings ceiling mounts, porch swings and yoga swings.
Special Designed----Industrial plastic washers provide a quiet and smooth ride. Metal does not rub at all.Custom vinyl washers specially designed to prevent metal rub creating a quiet, smooth, exceptional swinging.
Easy Installation----Come with mounting screws and carabiners for installing to wooden beams, cedar wood, rafters and/or concrete.
Weight Limit----BETOOLL swing hangers holds up to 10000lbs.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.

Product Description

Measure and mark the locations for your swing hangers.

Drill a 10mm hole at each mark. (Please choose 5/16" drill bit, which is the most suitable size.)

Use impact wrench attachment swing hangers with a 19mm socket.