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Dead Drop Bolt From cold war Spy technique [Spy dead bolt ?]
The Spy Bolt from Spy Base is an updated and improved version of the old Soviet KGB "dead drop" hollow bolt used during the Cold War. 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 2.7". Overall length is 3.43". |
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Features
- hollow bolt used during the Cold War. 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 2.7". Overall length is 3.43
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