1/2" Blade Width Diameter Tape Measures

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47 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.

Standard Scale

Take math out of the equation completely. After wrapping the blade around an object, find the number that overlaps with zero—that's your diameter.

Manual Blade Return—Guide the blade back by hand or using the wheel on the side of the case.

Coated Steel Blade—A coating on the blade prevents the graduations from wearing or scratching off.

	Dia.					Blade
	Measured	Graduations	Lg.	Graduations	Numeric Graduations	Wd.	Material	Lock Type	Tip Style		Each
Manual Blade Return



		0" to 45", 0 cm to 116 cm	1/100", 1 mm	12 ft./3.5 m	1/16", 1 mm	1", 1 cm	1/2"	Coated Steel	Manual	Loop	4867N11	000000

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.

Stainless Steel Blade—The choice for outdoor and wet environments, these blades won't rust if rinsed or rained on.

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

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







			Steel Blade

			3/4" to 9"	1"	0.001"	1/2"	Knob	1982A201	0000000	1982A202	0000000


			2" to 12"	1"	0.001"	1/2"	Knob	1982A612	000000	1982A22	000000
			2" to 24"	1"	0.001"	1/2"	Knob	1982A613	000000	1982A23	000000
			12" to 24"	1"	0.001"	1/2"	Knob	1982A614	000000	1982A24	000000
			12" to 36"	1"	0.001"	1/2"	Knob	1982A615	000000	1982A25	000000
			24" to 36"	1"	0.001"	1/2"	Knob	1982A616	000000	1982A26	000000
			24" to 48"	1"	0.001"	1/2"	Knob	1982A617	000000	1982A27	000000
			36" to 48"	1"	0.001"	1/2"	Knob	1982A618	000000	1982A28	000000
			48" to 60"	1"	0.001"	1/2"	Knob	1982A619	000000	1982A29	000000
			60" to 72"	1"	0.001"	1/2"	Knob	1982A621	000000	1982A31	000000
			72" to 84"	1"	0.001"	1/2"	Knob	1982A622	000000	1982A32	000000


			84" to 96"	1"	0.001"	1/2"	Knob	1982A623	000000	1982A33	000000
			96" to 108"	1"	0.001"	1/2"	Knob	1982A624	000000	1982A34	000000
			108" to 120"	1"	0.001"	1/2"	Knob	1982A625	000000	1982A35	000000
			100 mm to 300 mm	1 cm	0.01 mm	1/2"	Knob	1982A631	000000	1982A11	000000
			300 mm to 600 mm	1 cm	0.01 mm	1/2"	Knob	1982A632	000000	1982A12	000000




					Stainless Steel Blade

					3/4" to 9"	1"	0.001"	1/2"	Knob	———	0	1982A203	000000


					2" to 12"	1"	0.001"	1/2"	Knob	———	0	1982A42	000000
					2" to 24"	1"	0.001"	1/2"	Knob	———	0	1982A44	000000
					12" to 24"	1"	0.001"	1/2"	Knob	———	0	1982A43	000000
					12" to 36"	1"	0.001"	1/2"	Knob	———	0	1982A45	000000
					24" to 36"	1"	0.001"	1/2"	Knob	———	0	1982A451	000000
					24" to 48"	1"	0.001"	1/2"	Knob	———	0	1982A46	000000
					36" to 48"	1"	0.001"	1/2"	Knob	———	0	1982A461	000000
					48" to 60"	1"	0.001"	1/2"	Knob	———	0	1982A47	000000
					60" to 72"	1"	0.001"	1/2"	Knob	———	0	1982A48	000000
					72" to 84"	1"	0.001"	1/2"	Knob	———	0	1982A49	000000


					84" to 96"	1"	0.001"	1/2"	Knob	———	0	1982A51	000000
					96" to 108"	1"	0.001"	1/2"	Knob	———	0	1982A52	000000
					108" to 120"	1"	0.001"	1/2"	Knob	———	0	1982A53	000000