The 301 Sidecar Keyholder is all about tough stainless steel forged in American factories. As the pictures show: The 301 Sidecar clips securely to your belt and can carry from 1 to 500 keys. If you have more or less keys than this we can’t help you. To use your keys, just push the button. When you put them back you hear a satisfying click that lets you know your keys are securely held.