Reliable Quality - This swing hanger is made of high-quality aluminum alloy (no rust), with a variety of color options, more durable. Extra bottom hardening for harsh weather. - Well protected against rust and burrs. BEARING CONSTRUCTION - This swing hanger uses specially designed high-quality bearings that can spin really smoothly and quietly without squeaks. Versatility - Wide range of applications, can be used on swing sets, yoga straps, punching bags, bassinets and more. One-piece iron casting - extremely durable and high quality, with a maximum load of 10,000 lbs. Perfect choice for all swing sets Indoor or outdoor products, including gymnastics rings ceiling mounts, porch swings and yoga swings. USE INDOOR AND OUTDOOR: Our heavy duty swing hanger is the perfect addition to your aerial yoga studio or playground set. EASY TO INSTALL - Comes with two 1/2" pre-drilled holes for bolt mounting to wood beams, cedar logs, rafters and/or concrete.