**Safe & Easy Installation** Made of durable metal with rust-resistant coating, these ceiling hooks support up to 450 kg. Pre-drilled holes allow quick mounting on wood or concrete. Suitable for indoor and outdoor use. **360�� Rotatable Hook** Features a heavy-duty swivel hook that rotates 360�� and tilts 180�� for flexibility without wobbling. Includes a metal O-ring for added safety and a secure buckle. **Smooth Swinging Motion** The hanging chair spring set provides gentle, comfortable movement. The steel spring enhances seating comfort and adjustability. **Simple Setup** Includes two pre-drilled holes for easy mounting on wood, rafters, or concrete. Mark, drill, and secure with provided screws. **Multi-Purpose Use** Ideal for hanging chairs, swings, hammocks, punching bags, lamps, and more. **Specs:** - Color: Black - Material: Metal - Package: 1 ceiling hook, 1 carabiner, 2 expansion screws, 2 screws *Note:* Slight color variations may occur due to lighting. Size tolerance: +/- 1-3 cm.