Seven Tools. One Workflow.


Measure, mark, cut, draw circles, check angles, measure depth, and create parallel lines—all with one precision instrument. Every function works seamlessly together, so you can stay focused without constantly switching tools.

A Complete Measuring System. In Your Pocket.

At just 145mm closed and 5mm thin, UnioArc slips effortlessly into your shirt pocket or notebook. Open it in seconds to unlock a full-size measuring and drafting system whenever inspiration or work calls.

Precision That Lasts a Lifetime.

Every scale is CNC-machined directly into solid Grade 5 titanium—not printed or coated. The markings will never fade, peel, or wear away, delivering dependable accuracy year after year.

Designed for Precision. Built for Efficiency.

From the zero-offset depth gauge and gap-free locking joint to the magnetic closure and integrated marking groove, every detail is engineered to eliminate unnecessary steps and make every measurement faster, smoother, and more accurate.

Built to Work. Built to Last.


Machined from aerospace-grade Grade 5 titanium, UnioArc combines exceptional strength, rigidity, and corrosion resistance in an ultra-slim form. It’s a professional measuring tool built for everyday carry and years of reliable use.

Explore on Kickstarter

Everyday Carry