CIA Letter Openers 3D print model

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The full size of the knife measured 16.5 cm in length. Sturdy ribs on the blade provided the necessary strength to punch through a wooden board with ease. This durability made it the most robust plastic knife available at that time, suitable for a wide range of applications - from self-defense to serving as pegs for a camping tent. The name "CIA" was chosen because the knife remained undetectable by metal detectors. The CIA abbreviation stood for all matters related to intelligence and espionage. In essence, the name can be translated to "Spy Knife for Opening Letters". This knife gained immense popularity and served as a prototype for numerous clones under the general name CIA Letter Opener. Just remember, this knife is meant for fun only - do not use it against people or animals.