Up to 6 month battery life
* One replaceable battery included
Pressurized, precision ink refill
Bluetooth Smart Connect to your mobile device
Carved in Aluminum and Steel
Mag Roller with replaceable ring

Choose your instrument.
Pen. Pencil. Stylus. Go.

Crafted in aluminum, 01 is a serious writing instrument and a dimensioning instrument. Shipping now!

01Go: all the dimensioning of 01, in a simple package. Shipping March, 2017

Mobile app

Unit Selection

Dynamically convert metric to imperial or imperial to metric.


Dimension drawings or maps in any scale.

Blink Interval

Set up grids, hang things equally apart or gauge rough dimensions without your phone.
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