Pi Tape® precision measuring tapes are not just tools—they're precision instruments. Crafted to provide quick, repeatable, and exact diameter and circumference measurements to .001" or .03mm accuracy, Pi Tapes are essential for industries where tolerance is everything: aerospace, machining, manufacturing, oil & gas, and beyond.

With certifications traceable to NIST, stainless steel durability, and flexible customization options, Pi Tape tools have become the global standard for precision.

We’re more than suppliers—we’re your precision measurement partners.

“We’ve used Pi Tapes for over a decade in aerospace manufacturing, but it wasn’t until working with Cochran that ordering became fast.”

“Excellent customer service. The team knew exactly what we needed and got it to us quickly.”

“Fast shipping, authentic Pi Tape products, and the support we didn’t even know we needed. Highly recommend Cochran and Company.”