The diameter tape measures are our best-selling products. Try a lufkin tape measure if you want to measure the outside diameter of a cylinder, Pipe, or sphere.
Pi-Tape Outside Diameter Measuring Tape - Penn Tool Co., Inc
FastCap FlatBack Tape Measure ~ 16' - Square Check
Diameter Tape Measures - Keson
Tape Measure Markings: What Are They For? - Pro Tool Reviews
OUTSIDE DIAMETER TAPE MEASURE - Pocket-sized, flexible, and retractable steel tape measure with both diameter (OD measurement) and standard integer
Perfect Pi Diameter Circumference Tape Measure - Imperial and Metric Tape Measure 1/2-inch by 12ft / 3.5m Use for Measuring Cylindrical Objects (Pipe
The Best Tape Measure Reviews by Wirecutter
Tape Measure Coburn-Myers
Check Out Diameter Tape Measure
Magnetic tip allows hands-free measuring. Built-in scale for checking out-of-gauge condition and guard rail spacing. Weight 1 lb.
Track Inspector Tape Measure, 25 ft
FastCap ProCarpenter Square Check Flatback 16' Standard Story Pole Tape Measure PSSP-FLAT 16 SQC