Cipher Cylinder Covert Hidden Pen Knife - Matte Blue

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The hidden pen knife that doesn’t look like a knife. A matte blue cylinder conceals a serrated black blade crafted from 1045 steel, giving you compact control without visual noise. At 4.5" overall, it slips into admin environments and EDC kits alike, then bites through cordage, tape, and light materials on command. Clean lines. Quick access. Real utility. This concealed design turns quiet presence into decisive action—ideal for retailers seeking a discreet, high-conversion self-defense and utility piece that customers instinctively understand.