✅M6 model The hook screw has a total length of 70mm, a thread length of 40mm, a ring inner diameter of 11mm, and a hook opening of 8mm. ✅ Material: Hook bolt made of high-quality 304 stainless steel, corrosion-resistant, firm, smooth surface without burrs ✅ceiling hooks advantages: stainless steel 304 stainless steel hook, strong and durable, strong toughness, stainless rust. Exquisitely made from super-large machines, after many experiments have proved that outdoors will not be oxidized, rust.The surface of the thread is smooth, the force is even, it is not easy to damage, and it is durable ✅Wide application: good hook suitable for home, office, outdoor workplace and bar, other small accessories, planters ，hanging keys， coats, bags, umbrellas and more ✅100% customer satisfaction, if you are not satisfied with the product, you can always send us an email to us, provide you with satisfactory service in the first time, you can also get a full refund, please rest assured to buy., Manufacturer: newlng