Fiberglass Rulers | McMaster-Carr

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25 Products

Folding Rulers

Combine the rigidity of a ruler with the portability of a tape measure. A favorite among carpenters, these rulers stay straight even when extended up to 6 ft., then fold up to the length of a phone to tuck into your tool belt. Bend them at their joints to draw angles and measure corners.

Fiberglass

Rulers with Extension

The choice for wet and outdoor environments, these rulers won't warp, fade, or crack if rinsed or rained on. Their joints snap into place when you bend them 90°, so they stay rigid as you measure and draw right angles.

Rulers with Extension—Measure the inside of objects, such as drawers, where a standard folding ruler would either be too long or too short. These rulers have a sliding extension, so you can lengthen the ruler to fit within the object you're measuring.

						Extension
	Lg., ft.	Unfolding Direction	Front Graduations (Numeric Graduations)	Wd.	Thk.	Lg.	Material	Color		Each
Rulers







				Inch—Left-to-Right Reading Direction

				6	From Front	1/16" (1"), 1/16" (1")	5/8"	1/8"	—	—	Yellow	19365A33	000000


				6	From Back	1/16" (1"), 1/16" (1")	5/8"	1/8"	—	—	Yellow	19365A32	00000


				Rulers with Extension







								Inch—Left-to-Right Reading Direction

								6	From Front	1/16" (1"), 1/16" (1")	5/8"	1/8"	6"	Plastic	Yellow	19365A31	00000

Flexible Tape Measures

Whether you're finding the length of winding cables or the circumference of drive belts, these tape measures accurately measure around corners and curves. Made of coated fiberglass, they're soft enough to wrap into a coil, yet strong enough that they won't stretch, so they stay accurate over time. Brass caps prevent the ends from fraying and tearing.

			Blade
Lg., ft.	Graduations	Numeric Graduations	Wd.	Material	Color		Each



	5	1/16", 1 mm	1", 1 cm	5/8"	Coated Fiberglass	White	3519A11	00000


	5	1/16", 1 mm	1", 1 cm	5/8"	Coated Fiberglass	Yellow	3519A12	0000
	10	1/8", 1 mm	1", 1 cm	5/8"	Coated Fiberglass	Yellow	3519A32	0000

Nonconductive Telescoping Leveling Rods

These fiberglass rods are nonconductive. Use them in conjunction with sight levels. They extend to the length you need, then collapse for convenient storage.

Leveling Rods									Replacement Leveling Rod Cases
	Lg.
Shape	Closed	Extended, ft.	Graduations	Numeric Graduations, ft.	Material	Container Type		Each		Each
Rectangle	58"	13	1/10", 1/100"	1	Fiberglass	Case	19235A59	0000000	19235A61	000000
Oval	58"	25	1/10"	1	Fiberglass	Case	19235A69	000000	19235A61	00000

Rope Liquid-Level Tape Measures

Attach a plumb bob to the rope’s hook and lower it into your tank to take a measurement. Ropes have a vinyl coating that resists abrasion.

						Graduation
	Lg., ft.	Graduation Location—Graduations (Numeric Graduations)	Wd.	Thk.	Color	Color	Type		Each
Inch—Bottom-to-Top Reading Direction







				Vinyl-Coated Fiberglass

				50	Front—1" (1") Back—1" (1")	1/4"	1/16"	White	Black/Red	Printed	1931A51	000000


				100	Front—1" (1") Back—1" (1")	1/4"	1/16"	White	Black/Red	Printed	1931A52	00000
				200	Front—1" (1") Back—1" (1")	1/4"	1/16"	White	Black/Red	Printed	1931A53	00000

Easy-Carry Long Tape Measures

A favorite among surveyors, these tape measures have a large, rubber-coated handle for a comfortable grip when trekking long distances. Choose them for outdoor and dirty jobs—an open case lets dirt, sand, and other debris fall away, so they won’t clog up the reel. Their blade extends 50 ft. or farther, long enough to measure a semi-trailer.

Automatic Blade Lock—Extend the blade and it locks in place automatically. These tape measures are especially useful for solo jobs since they free up your hands for other tasks.

Coated Fiberglass Blade—These blades bend without breaking, so they're best for measuring curved surfaces, such as silos. The choice for wet environments, they won't rust from water. They also won't conduct electricity when working near conduit and powerlines. A coating prevents the graduations from wearing or scratching off.

					Blade		Case
	Lg.	Graduations	Numeric Graduations	Tip Style	Wd.	Material	Material	Color		Each
Automatic Blade Lock



		50 ft./15 m	1/8", 2 mm	1", 1 ft., 1 cm, 1 m	Pointed Hook	1/2"	Coated Fiberglass	Plastic	Orange	6806A11	000000


		50 ft.	1/8"	1", 1 ft.	Pointed Hook	1/2"	Coated Fiberglass	Plastic	Orange	6806A13	00000
		100 ft.	1/10", 1/8"	1", 1 ft.	Pointed Hook	1/2"	Coated Fiberglass	Plastic	Orange	6806A41	00000
		100 ft./30 m	1/8", 2 mm	1", 1 ft., 1 cm, 1 m	Pointed Hook	1/2"	Coated Fiberglass	Plastic	Orange	6806A45	00000
		200 ft.	1/10", 1/8"	1", 1 ft.	Pointed Hook	1/2"	Coated Fiberglass	Plastic	Orange	6806A42	00000
		200 ft./60 m	1/8", 2 mm	1", 1 ft., 1 cm, 1 m	Pointed Hook	1/2"	Coated Fiberglass	Plastic	Orange	6806A46	00000
		300 ft.	1/10", 1/8"	1", 1 ft.	Loop	1/2"	Coated Fiberglass	Plastic	Orange	6806A43	00000

Long Tape Measures

With a blade long enough to measure a semi-trailer, these tape measures extend 50 ft. or farther.

McMaster-Carr Approved

Image of Product. Front orientation. Tape Measures. Long Tape Measures.

The performance of brand-name tape measures without the cost.

Automatic Blade Lock—Extend the blade and it locks in place automatically. These tape measures are especially useful for solo jobs since they free up your hands for other tasks.

Fiberglass Blade—These blades bend without breaking, so they're best for measuring curved surfaces, such as silos. The choice for outdoor jobs, they won't rust from water. They also won't conduct electricity when working near conduit and powerlines.

Vinyl-Coated Metal Case—Choose metal cases for your toughest industrial jobs, from construction to machining. These cases resist breaking due to hard hits and drops. However, they're heavier to carry around than plastic cases.

					Blade		Case
	Lg.	Graduations	Numeric Graduations	Tip Style	Wd.	Material	Material	Color		Each
Automatic Blade Lock



		50 ft.	1/8"	1", 1 ft.	Hook	1/2"	Fiberglass	Vinyl-Coated Metal	Black	6806A31	000000


		50 ft./15 m	1/8", 2 mm	1", 1 ft., 1 cm, 1 m	Hook	1/2"	Fiberglass	Vinyl-Coated Metal	Black	6806A38	00000
		100 ft.	1/8"	1", 1 ft.	Hook	1/2"	Fiberglass	Vinyl-Coated Metal	Black	6806A32	00000
		100 ft./30 m	1/8", 2 mm	1", 1 ft., 1 cm, 1 m	Hook	1/2"	Fiberglass	Vinyl-Coated Metal	Black	6806A39	00000

Static-Control Dial Calipers

Prevent static from damaging sensitive electronics as you measure them. The fiberglass body drains static away from your workpiece so you don't pass along harmful charges.

To calculate your final measurement, simply add the value on the dial to the number on the main scale. These calipers are battery-free, so they’re always ready to use. However, the glass dial and internal components can break if accidentally dropped.

										Calipers
Measuring Range	Accuracy	Measuring Increments	Measurement per Dial Rev.	Overall Lg.	Body Material	Jaw Material	Dial Face Color	Surface Resistance, ohm	Specs. Met		Each



	0" to 6"	±0.002"	0.001"	0.3"	9 3/4"	Fiberglass	Steel	White	1× 10^6 to 1× 10^9	IEC 61340-5-1	5567N11	000000


	0 mm to 150 mm	±0.05 mm	0.1 mm	10 mm	9 3/4"	Fiberglass	Steel	White	1× 10^6 to 1× 10^9	IEC 61340-5-1	5567N12	00000