![prosco_bkg-3_gradient-wide.png](https://static.wixstatic.com/media/79cc04_a9252de7e536423486f3c4a72b9be061~mv2.png/v1/fill/w_49,h_18,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/79cc04_a9252de7e536423486f3c4a72b9be061~mv2.png)
Precision Outside/Inside Diameter Tapes
Pi Tapes
![general_products_tools_pi_tapes_01.png](https://static.wixstatic.com/media/79cc04_cb186c2cebb24ebe92f1beff70526907~mv2.png/v1/fill/w_479,h_339,al_c,lg_1,q_85,enc_auto/general_products_tools_pi_tapes_01.png)
PROSCO Inc. is an authorized dealer for Pi Tape®
-- the original precision diameter measuring tape --
![general_products_tools_pi_tapes_02.png](https://static.wixstatic.com/media/79cc04_d152b5c58a624c2f93382af04264167b~mv2.png/v1/fill/w_237,h_89,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/general_products_tools_pi_tapes_02.png)
The standard Imperial tapes (inches) read to 0.001” diameter with an accuracy of ±0.001” up to 144 inches.
The standard metric tapes (millimeters) read to 0.01mm diameter with an accuracy of ±0.03mm up to 3,600 millimeters.
In addition, we can construct precision measuring tapes with customized lengths and widths to meet your every need.
![made_in_usa.png](https://static.wixstatic.com/media/79cc04_eeabe51ff45343c2ba1aabf27492508f~mv2.png/v1/fill/w_80,h_68,al_c,q_85,enc_auto/made_in_usa.png)
PROSCO Inc. offers genuine Pi Tape® tapes for very fast and accurate diameter measurement of round products such of rollers, belts, pipes etc.
Each Pi Tape brand precision measuring tape is delivered with a Calibration Report traceable to the National Institute of Standards and Technology and all calibrations are performed in accordance with ANSI/NCSL Z540-1-1994, ISO/IEC 17025, ISO 10012-1, MIL-STD 45662A and 10CFR, part 21.
These precision 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.
![prosco_bkg-3_about_gradient-wide.png](https://static.wixstatic.com/media/79cc04_ad6489d820544ce1bbfd59b8f9a35665~mv2.png/v1/crop/x_536,y_173,w_763,h_955/fill/w_432,h_541,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/prosco_bkg-3_about_gradient-wide.png)
Click the PDF icon to see available sizes of tapes
![Pi_Tape-1095_Spring_Steel.jpg](https://static.wixstatic.com/media/79cc04_8c85972283054ec499654d5ed8088041~mv2.jpg/v1/fill/w_125,h_94,al_c,q_80,enc_auto/Pi_Tape-1095_Spring_Steel.jpg)
1095 Spring Steel
![Pi_Tape-716_Stainless_Steel_.jpg](https://static.wixstatic.com/media/79cc04_4d146b37187d4e05938effe5bea4cd0e~mv2.jpg/v1/fill/w_125,h_94,al_c,q_80,enc_auto/Pi_Tape-716_Stainless_Steel_.jpg)
716 Stainless Steel
![Pi_Tape-Blue_Easy_to_Read_.jpg](https://static.wixstatic.com/media/79cc04_081cd84dd01c4593be55ef644cb602da~mv2.jpg/v1/fill/w_125,h_94,al_c,q_80,enc_auto/Pi_Tape-Blue_Easy_to_Read_.jpg)
Blue Easy to Read
![Pi_Tape-White_Easy_to_Read.jpg](https://static.wixstatic.com/media/79cc04_f2105a9a01a3462bb484d6b62cd5229e~mv2.jpg/v1/fill/w_125,h_94,al_c,q_80,blur_3,enc_auto/Pi_Tape-White_Easy_to_Read.jpg)
White Easy to Read