General description FLITI 2pcs Screw Hooks are heavy-duty 180° ceiling hooks made of 304 stainless steel, designed for both indoor and outdoor use. These hooks can support a maximum weight of 900 kg, making them ideal for various applications such as playgrounds, yoga, hammocks, swings, hanging chairs, and punching bags. Technical specifications Material: 304 stainless steel Weight limit: 900 kg Design: 2-in-1 design with 180° rotation Installation Mark the location on the wooden beams and pre-drill a small pilot hole. Use a hammer to drive the screw into the wood. Finally, use a wrench to ensure the screw is fully connected to the wood. Installation can be completed in minutes. Usage Suitable for indoor and outdoor playgrounds. Can be used for swings, yoga trapeze, jungle hammocks, sling trainers, Olympic rings, gymnastics sets, and more.