There is a comfort hook included inside the KeySafe C500˜. The hook is constructed of a extruded stainless steel wire that is connected from the rear of the monocock design through a little hold that leads to the inside of the KeySafe. The hook can be removed. All that will be required is to tap the hook from the iside and it should slot out from the read of the monocock design. The hook measures 65mm from hook to the base.