The Infini-Key carabiner key ring is lightweight, but very strong due to it's durable stainless steel construction. This key ring allows for the easy attachment and removeal of numerous keys. The secret of the Infini-Key lies in it's simplicity... no more fighting with an annoying split ring to remove one key, bruising your fingertips and causing needless frustration! Just slide the key you wan tot the top portion of the Infini-Key and unlock the carabiner clip, and it's off. You can attach the Infini-Key to a belt loop, backpack, another key ring, or wherever. The Infini-Key measures 1.17 x 2.50 x 0.1 in (29.6 x 63.2 x 2.6 mm) and weighs 0.15 oz (6 g). Comes in stainless (silver) finish.