Pi Tape gauges make it possible for technicians to measure the diameter of objects. The gauges are available in either inches or millimeters. Tapes marked in inches read to a diameter of .001 inches with an accuracy of plus/minus .001 inches up to 144 inches. Tapes marked in millimeters read to .01 mm diameter with an accuracy of plus/minus .03 mm up to 3,600 mm. The line also includes direct outside and inside diameter measuring tapes, go/no-go tapes, linear tapes and O-ring tapes.

Pi Tape Corp., P.O. Box 463807, Escondido, CA 92046; (866) 474-8273; fax (760) 746-9196; www.pitape.com.