Steel OD Tape Measure | DCT120 - 12ft / 3.5m Diameter Pi
Outside Diameter Measuring Tape for Pipeline O.D.'s
OD (Outside Diameter) Tape Measure Demonstration - YouTube
Lufkin 1/4 in. x 6 ft. Executive Diameter Engineer's Tape Measure W606PD - The Home Depot
Precision Outside Diameter Tapes from PI Tape Texas, LLC tapes are manufactured to exacting standards in temperature controlled facilities at 68°F (20°C).
Pi Tape Measure, Outside Diameter Measurement - Gilson Co.