Premium Safety Material: Made of durable 304 stainless steel, rustproof and corrosion-resistant with high hardness. Supports up to 450 kg. Smooth 360�� Rotation: Sturdy swing hook prevents rope tangling. Silent nylon ring reduces friction and noise, ideal for punching bags and yoga. Versatile Use: Suitable for concrete/wooden beams, indoor/outdoor use. Perfect for hammocks, porch swings, punching bags, and heavy mounts. Quick Installation: Pre-drilled holes for easy mounting on wood/concrete. Includes markers for precise drilling and secure attachment. Complete Kit: Includes 2 expansion screws (concrete) and 2 wood screws. Enjoy swings in gardens, parks, or indoors anytime. Included: 1 swing bracket, 2 wood screws, 2 concrete bolts. Compatible with suspension straps, yoga swings, and fitness equipment. Durable & Quiet: High-quality 304 stainless steel ensures longevity. Nylon bushings minimize noise for smooth swinging. Easy Maintenance: Lubrication system enhances motion and simplifies upkeep. Flexible Rotation: 180��+360�� rotation for year-round backyard or indoor use.