This is a heavy-duty carabiner made of extra-thick aluminum. It seems like it can hold several tens of kilograms. Open The ring in the open state image is not included, but I can provide it if needed. φ6mm x width 29mm x height 61mm x thickness 7mm / weight 26g It will be sent by regular mail (long size 3) within 50g. Many other products are also on sale. If you like, Please take a look at the product information from the link below. #port Products on sale here