Straightedges And Drafting Rules

Filter by

System of Measurement

Blade Length

Blade Graduation Marks

Head Material

DFARS Compliance

RoHS Compliance

REACH Compliance

Head Length

Rolling Scale Graduation Marks

Thickness

Length

Measurement Graduation Marks

Scale Type

Shape

Edge Shape

Graduation Marks Scale

Angle Measured

Material

Head Width

Angle Numeric Increments

Head Graduation Marks

Display Style

Blade Width

Forward

How can we improve?

15 Products

T-Squares

Plastic Head

Aluminum Head

Draw and cut straight lines in drafting, graphics, and construction applications.

	Blade			Head		Graduation Marks
Head Material	Lg.	Wd.	Material	Lg.	Wd.	Blade	Head		Each
Plastic	24"	2"	Aluminum	20"	3"	16ths	16ths	000000	000000
Aluminum	48"	2"	Aluminum	22"	1 1/2"	8ths	8ths	0000000	00000

Triangle Straightedges/Protractors

A protractor and triangle in one, use these tools to quickly set any angle from 0° to 90°. They also measure slope and rise.

Length	Angle Measured	Numeric Increments		Each
8"	0°-90°	1/2°	0000000	000000
10"	0°-90°	1/2°	0000000	00000

Folding Triangle Straightedges

Unfold and lock the corners to form a triangle for marking angles.

Angle Measured	Unfolded Size	Wd.	Thick.	Material		Each
90°	36" × 48" × 60"	2"	3/8"	Aluminum	000000	000000

Architects’ and Engineers’ Scales

Flat

Triangle

Take measurements off of scaled architectural or engineering drawings with these specialized scales.

Flat with Beveled Edges
Scale Type	Graduation Marks	Blade Lg.		Each
Inch
Architects'	1/8", 1/4", 3/8", 1/2", 3/4", 1", 1 1/2", 3"	12"	0000000	000000
Flat with Square Edges
Inch
Engineers'	10ths, 32nds, 50ths, 64ths	12"	000000	00000
Triangle with Beveled Edges
Inch
Architects'	3/32", 1/8", 3/16", 1/4", 3/8", 1/2", 3/4", 1", 1 1/2", 3", 16"	12"	000000	0000
Engineers'	10ths, 20ths, 30ths, 40ths, 50ths, 60ths	12"	000000	0000
Metric
Architects'	1:500, 1:400, 1:250, 1:200, 1:100	30cm	0000000	00000
Architects', Engineers'	1:125, 1:100, 1:75, 1:50, 1:25, 1:20	30cm	0000000	00000

Pocket Architects’ and Engineers’ Scales


	Inch
	Inch, Metric

Small enough to fit into your pocket, the blade is narrow and only 6" long. These scales are often used for taking measurements off scaled architectural or engineering drawings.

Triangle with Beveled Edges
Scale Type	Graduation Marks	Blade Length		Each
Inch
Architects'	3/32", 1/8", 3/16", 1/4", 3/8", 1/2", 3/4", 1", 1 1/2", 3", 16"	6"	0000000	000000
Engineers'	10ths, 20ths, 30ths, 40ths, 50ths, 60ths	6"	0000000	00000
Inch, Metric
Architects', Engineers'	1/8", 1/4", 16", 10ths, 50ths, 1:500, 1:100	6"	0000000	00000

Rolling Parallel Rules

A rule, compass, protractor, and template all in one tool.

			Graduation Marks
Head Material	Blade Lg.	Max. Circle Dia.	Blade	Rolling Scale		Each
Plastic	12"	24"	16ths, 1 mm	32nds, 1 mm	000000	000000