Heavy Duty Ceiling Hook, 500KG Hanging Chair Mount Stainless Steel 360° Rotation Ceiling Hanging Hook Fastener for Swing, Hammock, Punch Bag, Aerial Yoga【High Hardness】The ceiling hook for hanging is made of SUS304 stainless steel, corrosion-resistant, rust-proof, non-toxic and harmless, strong and durable. 【360° Rotation】The 360° hardware ceiling hanging hook can rotate freely and can be used in many ways to prevent tangling or twisting. 【Indoor & Outdoor Use】Ceiling Hook Hanger for Concrete Wood Set, Hammock, Punch Bags, Chandeliers, Outdoor Swings, Hanging Chairs, Aerial Yoga, Climbing Ropes, basically meets most items you need to hang. 【Easy to Install】Hanging hammock hook with 2 bolts suitable for concrete applications and 2 screws suitable for wood applications, the product itself has two pre-drilled holes for the screws to pass through and installation can be completed in minutes whether on concrete or wood. 【High Security】500KG capacity fixing hammock hook can support adults or children under 1100 pounds, making it safer.