Pi Tape® brand Precision Outside Diameter tapes are manufactured to exacting standards in temperature controlled facilities at 68°F (20°C). The lines and numerals on our standard tapes are engraved and acid etched on a ground surface. The tapes have fixed readings that do not require periodic adjustments.
Standard tapes have an accuracy of ± 0.001" up to 144" (± 0.03 mm up to 3600 mm)
Each Pi Tape® brand precision measuring tape is furnished with a Calibration Report whose measurement results are traceable through NIST to the international system of units (SI).
Specialty sizes, widths and larger tapes are available upon request.