Spy Bolt Hidden Storage Safe

The Hidden Safe Spy Bolt is an updated and improved version of the old Soviet KGB "dead drop" hollow bolt used during the Cold War. previously used for hidden micro film and coded messages, our spy bolt hidden safe has been updated to more modern uses like micro SD cards and cash. This newer design allows for cash to be rolled and hidden away from prying eyes. It features an O-ring seal for weather-proof storage of small valuables, communications, etc. It has reverse threading on the bolt head for additional security. This new version utilizes a 3/4" diameter bolt providing a larger storage area than the original. Its secret storage compartment has a diameter of .49" and a maximum depth of 2.81". Overall length is 3.43". From Spyville.com