M6 Hook Bolt Screw Ring Hook 304 Stainless Steel High Hardness Steel Hook Bolt Hanging Item Screw Hook for Hanging Chandeliers Crafts 10PCSModel M6 Hook screw has an overall length of 70mm, a thread length of 40mm, a ring inside diameter of 11mm, and a hook opening of 8mm.(Product measurement in millimeters, 1 mm = 0.0393701 inch) 304 stainless steel, high hardness, corrosion resistance, can be used in humid environments and do not worry about rusting Advantages of product: 304 stainless steel hook, durable and rust resistant stainless steel. It is made from a very large machine. After many experiments, it is proven that the exterior will not be oxidized and rusty. The surface of the wire is smooth, the force is uniform, it is not easy to be damaged, and it is durable. Due to factors such as manual measurement and display differences, there may be slight differences between individual products and images, please forgive me.