General description Heavy duty ceiling hooks are versatile and widely used for various applications including indoor aerial yoga, gymnastics rings, boxing equipment, resistance trainers, balcony hanging baskets, hammocks, TRX or pump bags, sling trainers, half egg seats, outdoor children's swings, hanging chairs, and sun sails. Technical specifications Load capacity: 400 kg Material: High quality stainless steel Components: U-shaped fixing hook (4 drilled holes), 4 heavy duty screws, swivel ring (360° swivel), spring carabiner (180° swivel) Installation To install, first press the rustproof hook on the ceiling to mark it. Then, drill four holes according to the mark, install the screws and fixing discs, and tighten them. Finally, fix the spring hook and swivel hook. Usage This heavy duty ceiling hook is ideal for hanging heavy equipment or home accessories. It can be mounted on concrete ceilings or sturdy walls, making it perfect for quickly, safely, and stably hanging sandbags from