Strong quality and safety guarantee: All accessories are made of 304 stainless steel, which has high hardness, corrosion resistance and weather resistance, and will not cause obvious stretching or aging on the surface. Hammock hanging kit with flat top and lock nut for maximum strength. It is suitable for all kinds of swings, hammocks and sandbags with a working load of no more than 350 kg. Special design: One-piece screw joint design, double-sided wear-resistant joint protection, reducing direct friction, providing high wear resistance and remaining quiet. The brackets with lock nuts can be rotated vertically 180° for better weight bearing. The hook bracket can be rotated 360° freely, and it is equipped with a spring buckle, which can help you lock the hook firmly and will not fall off by itself. EASY INSTALLATION: Two 0.39" holes are pre-drilled on the hammock bracket for bolting to concrete or wooden beams. Including 2 expansion bolts for concrete structures and 2 hex screws for