General description Heavy duty ceiling hooks are designed for versatile use, making them ideal for 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 Press the rustproof hook on the ceiling to mark the position. Drill four holes according to the mark. Install the screws and fixing discs, then tighten them. Fix the spring hook and swivel hook. Usage Suitable for hanging heavy equipment or home accessories. Can be mounted on concrete ceilings or sturdy walls. Ideal for quickly, safely, and stably hanging sandbags from concrete ceilings and sturdy wooden beams. Other information The spring hooks