Key with integrated knife in key ring gray.Do you already have a multitude of small accessories with unusual shape and function? Seeing this key and its built-in knife may add to your list of new items.* Dimensions : 5.5 x 2.5 x 0.4 * Matter : metal Functions : small knife, Contents : 1 key knife* Dimensions : 5.5 x 2.5 x 0.4 * Matter : metal Functions : small knife, Contents : 1 key knife