Carabiner Color: Black Size: 57.7mm x 30.3mm, Diameter 5mm Material: Aluminum alloy *Not for use in mountain climbing This carabiner is convenient for various outdoor activities such as camping and fishing. We've chosen a common size, not too big and not too small. It's also excellent for everyday use, such as a key holder, and can be used in various ways. The simple and minimal design, along with the black color, is exquisite. Haven't you ever had trouble finding black carabiners in stock when trying to buy them at 100-yen shops or home centers? These black carabiners are useful to have many of! This is a set of 10 for sale. Thank you for your consideration.