Blue Diameter Tape Measures

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Minimum Diameter Measured

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Measurement Precision

0.001"

0.01 mm

DFARS Specialty Metals

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Retractable

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Length Accuracy

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16 Products

Diameter-Measuring Tape Measures

Wrap around duct, pipe, and other cylindrical objects to find their diameter without complex calculations. These tape measures are ideal for already mounted objects since you don't need to take your system apart. Also known as tree tapes.

Vernier Scale with Calibration Certificate

Image of Product. Front orientation. Tape Measures. Diameter-Measuring Tape Measures, Vernier Scale.

Our most precise diameter-measuring tape measures. Wind the blade around your object until the top scale aligns with the bottom vernier scale, then add the values together to find your diameter. These tape measures include a calibration certificate traceable to NIST, so you can be confident your measurements are correct and consistent.

Blue Blade—White markings pop against the blue background, so you can read these tape measures in dimly lit areas.

					Blue Blade
Dia. Measured	Numeric Graduations	Measurement Precision	Wd.	Tip Style		Each







			Steel Blade

			3/4" to 7"	1"	0.001"	1/2"	Knob	00000000	0000000


			2" to 12"	1"	0.001"	1/2"	Knob	00000000	000000
			2" to 24"	1"	0.001"	1/2"	Knob	00000000	000000
			12" to 24"	1"	0.001"	1/2"	Knob	00000000	000000
			12" to 36"	1"	0.001"	1/2"	Knob	00000000	000000
			24" to 36"	1"	0.001"	1/2"	Knob	00000000	000000
			24" to 48"	1"	0.001"	1/2"	Knob	00000000	000000
			36" to 48"	1"	0.001"	1/2"	Knob	00000000	000000
			48" to 60"	1"	0.001"	1/2"	Knob	00000000	000000
			60" to 72"	1"	0.001"	1/2"	Knob	00000000	000000
			72" to 84"	1"	0.001"	1/2"	Knob	00000000	000000


			84" to 96"	1"	0.001"	1/2"	Knob	00000000	000000
			96" to 108"	1"	0.001"	1/2"	Knob	00000000	000000
			108" to 120"	1"	0.001"	1/2"	Knob	00000000	000000
			100 mm to 300 mm	1 cm	0.01 mm	1/2"	Knob	00000000	000000
			300 mm to 600 mm	1 cm	0.01 mm	1/2"	Knob	00000000	000000