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$60 $65.00 7% off
by Jays
Add 1 Year Warranty - $15.99
Add 2 Year Warranty - $19.99


Every designer, architect, or engineer has a unique drafting workflow, but they all require at least a couple of basic tools: a pen and a ruler. The Rule/One combines both in a compact, expertly crafted package that fits easily in a folder, as a bookmark, or in your pocket. With interchangeable heads to write on paper, on a tablet, or carry on a lanyard, this sleek tool makes getting your ideas out an absolute breeze.

2015 Red Dot Design Awards Honorable Mention

Details & Requirements

  • Material: finely crafted milled aluminum
  • Weight: 60g
  • Dimensions: 5.43"L x 0.98"W x 0.43"H
  • Refill: Uniball-Signo UMR-85 (for UMN-207 Micro, 152, 105)


  • Rule/One Writing Tool (black)
  • Ballpoint, stylus, lanyard heads


  • Ships to US
  • Expected Delivery: Apr 16 - Apr 19


  • All sales final
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