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.


Whether you model scenes or design cars, capturing key curves in real life is something we all need. With InstruMMents PRO app, you’ll be able to do this faster and easier then ever. Just capture, share and download to CAD. Available spring 2017.
*Additional subscription fees apply for the Pro App.
Order 01 NOW