The Four-Function Ruler Pen from Uncommon Goods
The Four-Function Ruler pen from Uncommon Goods was designed by Adrian Olabuenaga to be the world’s thinnest four-function pen. There is a pen with black ink, a highlighter, a mechanical pencil, a PDA stylus, and a hidden eraser under the cap. The pen is also marked with inches and centimeters. The Four-Function Ruler pen is $35.00. Refills are available from […]
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