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Pi Tape® brand 1095 Spring Steel O-Ring Inside Diameter measuring tapes are suitable for use with all materials and in non-corrosive environments.

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).

 Please click here to view our ISO/IEC 17025:2017 Certificate of Accreditation (pdf).

Specialty sizes, widths and larger tapes are available upon request.

 2022 Precision Inside Diameter O-Ring Tape Price List

 2022 Custom Made Precision Inside Diameter O-Ring Tape Price List


O-Ring Inside Diameter Tapes 1095 Spring Steel Inch Purchase Options


**The standard width for these tapes is 1/4" gage member X 1/2" vernier section.


Part # Size Gage Width Thickness Vernier Section Width Price Link
** RT1 ** 2" - 12" I.D. 0.25" .005" 0.5" 180.00 Go to Product Page
** RT1SP ** 2" - 24" I.D. 0.25" .005" 0.5" 243.00 Go to Product Page
RT2 12" - 24" I.D. 0.375" .010" 0.750" 184.00 Go to Product Page
RT2SP 12" - 36" I.D. 0.375" .010" 0.750" 253.00 Go to Product Page
RT3 24" - 36" I.D. 0.375" .010" 0.750" 199.00 Go to Product Page
RT3SP 24" - 48" I.D. 0.375" .010" 0.750" 264.00 Go to Product Page
RT4 36" - 48" I.D. 0.375" .010" 0.750" 210.00 Go to Product Page
RT5 48" - 60" I.D. 0.375" .010" 0.750" 226.00 Go to Product Page
RT6 60" - 72" I.D. 0.375" .010" 0.750" 243.00 Go to Product Page