Aluminum Spring Clip Round Carabiner /Organizing Accessory/Steel Secure Holder/ Durable and Rust-Proof -Assorted Colors (Pack of 12) Pair of 6 different colors: Red, Green, Blue, Silver, Black, Yellow Dimensions: 50 mm diameter, Set of 12 Material: Aluminum Ideal for hanging household equipment i.e. cords ropes, hoses, etc. Durable and rust-proof ensuring you of its longevity and reliability