The Spy Bolt Covert Container

The Spy Bolt is an up to date and improved model of the previous Soviet KGB “dead drop” hole bolt used through the Cold War. It options an O-ring seal for weather-proof storage of small valuables, communications, and so on. It has reverse threading on the bolt head for extra safety. This new model makes use of a three/four” diameter bolt providing a larger storage area than the original. Its secret storage compartment has a diameter of .49″ and a most depth of two.7″. Overall length is 3.43″.