5 Star Gear Spy Bolt
- An updated and improved version of the old Soviet KGB “dead drop” hollow bolt used during the Cold War
- Features an O-ring seal for weather-proof storage of small valuables, communications, etc
- Reverse threading on the bolt head for additional security
- Utilizes a 3.43" long, ¾" diameter bolt providing a large secret storage compartment with a diameter of .49" and a maximum depth of 2.81"
- Imported materials retooled in the USA