INDUSTRIAL GRADE HIGH QUALITY SAFETY MATERIAL: Swing hardware and parts are made of SUS 304 stainless steel, 100% permanent rustproof, corrosion resistance, high hardness. The ceiling swing brackets have a load capacity of 450 kg. ULTRA-QUIET 360 ROTATION DESIGN: Our sturdy swing hanger adopts a flexible 360 rotation design, which effectively avoids that the hanging rope or chains do not become entangled; The silent nylon ring design to prevent friction and noise, perfect for punching bag and some yoga exercises. WIDE APPLICATION: Our swivel hangers are applicable for concrete and wooden beams. wood, suitable for indoor and outdoor hanging ropes, also the perfect swing hanging kit for the ceiling, swing hammock chairs, porch swings, swing chairs, punching bags, or hanging any other heavy objects hanging mounting. EASY INSTALLATION: Uniquely designed, our swing set hanging hardware features 2 pre-drilled holes for bolting to wood or concrete beams, which can be installed in minutes. First, draw the position of the hole with a marker and drill the marked hole with a drill, then drive and tighten the expansion or wood screw, then hang the swing equipment. SWING ANYTIME, ANYWHERE: You will receive a heavy-duty swing hanger kit with 2 concrete expansion screws and 2 wood screws. It could be used in outdoor amusement parks and indoor family swings, you can enjoy the fun of swings in your backyard or leveled anytime.