Strong quality and safety guarantee: All accessories are made of 304 stainless steel, offering high hardness, corrosion resistance, and weather resistance, preventing obvious surface stretching or aging. The hammock hanging kit features a flat top and lock nut design for maximum strength. Suitable for swings, hammocks, and punching bags with a working load not exceeding 350 kg. Special design: Integrated screw and washer design with wear-resistant washers on both sides to reduce direct friction, enhance durability, and ensure quiet operation. The bracket with lock nut can rotate 180 degrees vertically for improved weight support. The hanging hook bracket rotates 360 degrees freely and includes a spring-loaded snap hook to securely lock in place and prevent accidental disengagement. Easy to install: Two 0.39-inch pre-drilled holes allow for secure mounting to concrete or wooden beams. Includes 2 expansion bolts for concrete and 2 hex screws for wood, providing a complete hardware set for quick assembly. Removable rotating ring: The hook can be flexibly assembled. By removing the rotating ring and aligning it with the spring carabiner, heavy items suspended with strong chains or ropes can be easily installed. Wide range of applications: Ideal for indoor and outdoor use. Perfect for hanging swings, hammocks, aerial yoga slings, chandeliers, sun sails, punching bags, child swings, and other heavy-duty applications within the load capacity. Heavy-duty hooks suitable for concrete and wooden structures. Specifications: Material: 304 Stainless Steel Weight: - Hook: 0.24 kg - Carabiner: 0.061 kg - Expansion Bolt: 0.042 kg - Hex Screw: 0.026 kg Package Includes: 1 x Hook 1 x Carabiner 2 x Expansion Bolts 2 x Hex Screws Installation Steps: 1. Mark the drilling positions. 2. Drill two holes (8mm or 12mm diameter, 70mm depth). 3. Insert and secure 2 hex screws (for wood) or 2 expansion bolts (for concrete) into the holes. 4. Attach the ceiling hook and tighten securely with a wrench. Features: Ceiling hook constructed from high-quality 304 stainless steel for stable, smooth, and safe suspension. Supports up to 350 kg. Bracket rotates 180 degrees vertically; hook rotates 360 degrees freely. Ideal for installing heavy items suspended by chains or ropes. Suitable for swings, hammock chairs, punching bags, aerial yoga straps, and similar applications. Note: Not suitable for plasterboard ceilings, earth walls, or other non-structural or flexible building materials. Ensure the mounting surface is structurally capable of supporting the intended load and dynamic forces.