2Pack O-type swing hanger, made of stainless steel, rust proof, corrosion-resistant, high hardness, non-toxic, and pollution-free environment. Can withstand extensive use and abuse, with a load of up to 1800 pounds per component. The innovative 2-in-1 design supports 180 ° back and forth swing. To ensure safety, we assembled a D-ring using stainless steel material to prevent the shaft from slipping out, and the hook's clasp is also sturdy enough to ensure safe use. The innovative 2-in-1 design can be directly installed on wooden beams, cedar wood, and other wooden structures. Hexagonal screw head design, can be directly installed with a wrench or drill, making installation more convenient. Suitable for hanging hammocks, chairs, porch swings, swings, sandbags, or hanging any other heavy objects.