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The BON 77-0010 is an outside diameter tape measure designed to measure the outside diameter of cylindrical objects directly, without requiring manual calculation from circumference readings. The tape reads 10 feet in total length and accommodates diameters up to 38 inches. It is suited for use in plumbing, pipefitting, HVAC, and mechanical trades where accurate pipe or duct diameter measurements are needed during layout, fabrication, or inspection work.
The 77-0010 is used in trade applications where determining pipe or cylindrical component diameter is a routine task. Plumbers, pipefitters, and HVAC technicians use outside diameter tapes to quickly confirm nominal versus actual pipe sizing, verify duct dimensions, and ensure correct fitting selection. The 10-foot length and 38-inch diameter capacity make it practical for a wide range of pipe sizes encountered in residential and commercial mechanical work.
Designed for use with cylindrical pipe, tube, and duct stock commonly encountered in plumbing, HVAC, and pipefitting applications.
Wrap the tape snugly around the outside circumference of the pipe or duct and read the diameter value directly from the tape face. Ensure the tape lies flat and does not overlap or twist for an accurate reading. No power source or calibration tools are required. Handle with care to avoid kinking the tape, which can affect measurement accuracy.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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