The Spy Bolt is an up to date and improved version of the old Soviet KGB “dead drop” hollow bolt used all through the Cold War. It features an O-ring seal for weather-proof storage of small valuables, communications, and so forth. It has reverse threading at 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 2.7″. Overall length is 3.43″
BONUS: The mega spy bolt now comes with 2 storage containers that fit neatly inside of the bolt. Use is optional, but these containers can come in useful if you would like to keep a couple of item separate inside the bolt. The containers feature a water tight plastic screw top and durable glass transparent body. Capacity of each and every container is 4mL.
Produced from a real ¾” machine bolt
O-ring seal for weather-proof storage of small valuables
Reverse threading at the bolt head for additional security
Made in USA