Ballpoint pen knife
A ballpoint pen knife is a multi-tool pocketknife consisting of a blade concealed inside an ordinary-looking ballpoint pen. The blade, typically 50 to 125 millimetres (2 to 5 in) long, is hidden when not in use.
A ballpoint pen knife is a multi-tool pocketknife consisting of a blade concealed inside an ordinary-looking ballpoint pen. The blade, typically 50 to 125 millimetres (2 to 5 in) long, is hidden when not in use.
A ballpoint pen knife is a multi-tool pocketknife consisting of a blade concealed inside an ordinary-looking ballpoint pen. The blade, typically 50 to 125 millimetres (2 to 5 in) long, is hidden when not in use.
Source: Wikipedia "Ballpoint pen knife" · CC BY-SA 4.0
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