Specifications: Thread diameter 10 mm, thread length 73 mm, total length 113 mm, ring inner diameter 14.5 mm. There are several models to choose from, so you can choose the model that best suits you. Product advantages: 304 stainless steel hook screw, durable, rustproof. Product features: For home, office, hotel, and other places, for fixing and hanging. Can be screwed into wood or masonry using a suitable wall fixing. The quality of our products is guaranteed. If you have any questions about our products, please feel free to contact us by email, we will be happy to help!