12" Measuring Wheels | McMaster-Carr

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Measurement Unit

Number of Wheels

Display Type

Analog

System of Measurement

Wheel Circumference

Wheel Diameter

Handle Type

Wheel Material

Measuring Functions

Display Location

Material

Maximum Length Measured

999,999 ft.

999,999 yd.

Material Travel Direction

Backward

Forward

Length

3 13/16"

Batteries Required

Distance Measured

RoHS

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

REACH

Height

Overall Height

Overall Width

Batteries Included

Bracket Width

Speed

27 Products

Measuring Wheels


Style F	Style G

Roll these wheels along a surface to measure long distances. Choose a wheel diameter of 11.5” or larger for uneven surfaces. Wheels with a diameter less than 11.5” are good for smooth, hard surfaces.

Analog Display—Wheels with an analog display don't rely on a power source to count, so they won't lose power while you're measuring. However, you can't change the display to different units of measure.

Plastic Wheel—Plastic wheels are lightweight and work best on smooth, hard surfaces.

Wheel Display—Those with a display on the wheel keep both the wheel and counter in your line of sight, so you can guide and stop the wheel for an accurate measurement.

Telescoping Handle—Wheels with a telescoping handle let you change the length of the handle. When set to shorter lengths, you can use them on elevated surfaces such as countertops.

	Max. Distance Measured	Measurement Unit	Tread Pattern	Handle Type	Ht.	Measuring Functions	Batteries Included		Each
Analog Display







	Plastic Wheel with Rubber Tread

	F	3 3/4"	Wheel	9,999 m	Decimeters/Meters	Solid	Telescoping	18" to 37 1/2"	Subtract Zero Reset	No	00000000	000000


	F	4"	Wheel	9,999 ft.	Feet/Inches	Solid	Telescoping	18" to 36 1/2"	Add Zero Reset	No	0000000	00000
	G	4"	Wheel	9,999 ft.	Feet/Inches	Solid	Telescoping	18" to 36 1/2"	Add Zero Reset	No	0000000	00000

Flat-Material Measuring Wheels


1 Wheel	Backward	Forward

Measure sheets, rolls, and strips using these wheels and their attached counters.

Aluminum Wheel—Aluminum wheels are for high temperature processes and coarse materials such as sandpaper. The surface is knurled for good contact.

Plastic Wheel—Plastic wheels are for smooth materials such as paper and cloth.

	Measuring Wheels															Replacement Measuring Wheel Counters		Replacement Wheels
			Max.				Overall			Mounting Hole
	No. of Wheels	Material Travel Direction	Lg. Measured	Speed, fpm	Wheel Circumference	Tread Wd.	Lg.	Wd.	Ht.	No. of	Dia.	Ctr.-to-Ctr. Lg.	Measuring Functions		Each		Each		Each
Feet







				Aluminum Wheel

				1	Backward	999,999 ft.	3,000	12"	5/8"	3 13/16"	19"	6 1/2"	2	3/8"	1 1/2"	Add Subtract Zero Reset	0000000	0000000	0000000	0000000	0000000	0000000


				1	Forward	999,999 ft.	3,000	12"	5/8"	3 13/16"	19"	6 1/2"	2	3/8"	1 1/2"	Add Subtract Zero Reset	0000000	000000	0000000	000000	0000000	000000




						Plastic Wheel with Rubber Tread

						1	Backward	999,999 ft.	3,000	12"	5/8"	3 13/16"	19"	6 1/2"	2	3/8"	1 1/2"	Add Subtract Zero Reset	0000000	000000	0000000	000000	0000000	00000


						1	Forward	999,999 ft.	3,000	12"	5/8"	3 13/16"	19"	6 1/2"	2	3/8"	1 1/2"	Add Subtract Zero Reset	0000000	000000	0000000	000000	0000000	00000


						Feet/Inches







										Aluminum Wheel

										1	Backward	999,999 ft.	3,000	12"	5/8"	3 13/16"	19"	6 1/2"	2	3/8"	1 1/2"	Add Subtract Zero Reset	0000000	000000	0000000	000000	0000000	000000


										1	Forward	999,999 ft.	3,000	12"	5/8"	3 13/16"	19"	6 1/2"	2	3/8"	1 1/2"	Add Subtract Zero Reset	0000000	000000	0000000	000000	0000000	000000




												Plastic Wheel with Rubber Tread

												1	Backward	999,999 ft.	3,000	12"	5/8"	3 13/16"	19"	6 1/2"	2	3/8"	1 1/2"	Add Subtract Zero Reset	0000000	000000	0000000	000000	0000000	00000


												1	Forward	999,999 ft.	3,000	12"	5/8"	3 13/16"	19"	6 1/2"	2	3/8"	1 1/2"	Add Subtract Zero Reset	0000000	000000	0000000	000000	0000000	00000


												Yards







																Aluminum Wheel

																1	Backward	999,999 yd.	3,000	12"	5/8"	3 13/16"	19"	6 1/2"	2	3/8"	1 1/2"	Add Subtract Zero Reset	0000000	000000	0000000	000000	0000000	000000


1																Forward	999,999 yd.	3,000	12"	5/8"	3 13/16"	19"	6 1/2"	2	3/8"	1 1/2"	Add Subtract Zero Reset	0000000	000000	0000000	000000	0000000	000000




		Plastic Wheel with Rubber Tread

		1	Backward													999,999 yd.	3,000	12"	5/8"	3 13/16"	19"	6 1/2"	2	3/8"	1 1/2"	Add Subtract Zero Reset	0000000	000000	0000000	000000	0000000	00000


		1	Forward													999,999 yd.	3,000	12"	5/8"	3 13/16"	19"	6 1/2"	2	3/8"	1 1/2"	Add Subtract Zero Reset	0000000	000000	0000000	000000	0000000	00000

Accessories and Replacements for Measuring Wheels