Messograf Caliper Ballpoint Pen by Cleo Skribent®
Caliper rule? Tire tread gauge? Ruler? Thread scale? Writing instrument? Presenting "Messograf"...all of these.
It is a multipurpose instrument and is handmade technical tools and drawing insturments made in Germany. They have since travelled worldwide with entire generations of engineers across the globe finding these top quality pens indispensable in their everyday professional life.
The Messograf is a not only a retractable, refillable ballpoint, it's a caliper rule, a tire-tread gauge, a thread scale and a ruler, too. The chromium-plated brass is also super sleek.
You have a 4" exterior Vernier caliper (0.1mm metric and 1/16" inch scale). In addition, there is a metric screw thread scale and a tire tread depth scale.
INSTRUCTION SHEET: included