General description Made of high-quality 304 stainless steel, these U-shaped hooks are designed for heavy-duty use. They are non-deformable, rust-proof, and environmentally friendly, ensuring both durability and safety. With a strong load-bearing capacity, these hooks are both aesthetic and practical, making them suitable for various applications. Technical specifications Material: 304 stainless steel Color: Silver Size: M5 Package Contents: 16 x U Ceiling Knob, 16 x Spring Clasp, 64 x Screws, 64 x Anchor Measurement allowed error: +/- 1-3 cm Usage These hooks are designed for installation on ceilings in areas where rotation is needed without twisting chains or ropes. They are versatile and suitable for both indoor and outdoor use, perfect for hanging swings, chairs, hammocks, aerial silks, yoga swings, or any other heavy hanging objects.