Starrett Protractors

	Manufacturer Model Number Manufacturer Model Number

C183

C19

C493B

	Head Shape Head Shape

Rectangular

Half Round

	Head Width Head Width

3 1/4"

3 3/8"

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Arm Graduation Location Arm Graduation Location

Back

Front

	Arm Graduation Marks Arm Graduation Marks

3 Products

Half-Round Head

Rectangular Head

Also known as bevel protractors, set bevels and measure angles with the adjustable arm. All have graduations from 0° to 180° in both directions. They have a corrosion-resistant satin-chrome finish that reduces glare and wear-resistant etched markings.

				Head				Graduation
Angle Measuring Range	Graduation Marks (Numeric Increments)	No. of Arms	Arm Lg.	Shape	Ht.	Wd.	Color	Color	Mark Style	Manufacturer Model No.		Each
Steel
0°-180°	1° (10°)	1	6"	Half Round	2"	3 1/4"	Silver	Black	Etched	C19	0000000	000000
0°-180°	1° (10°)	1	6"	Rectangular	2"	3 3/8"	Silver	Black	Etched	C183	0000000	00000

Starrett Protractors with Graduated Arm

Measure angles and dimensions with one tool. Protractor has graduations from 0° to 180° in both directions. Also known as a bevel protractor, it has an adjustable arm. The arm is narrow to fit into holes for use as a depth gauge. It has a corrosion-resistant satin-chrome finish that reduces glare and wear-resistant etched markings.

			Arm				Graduation		Head
Angle Measuring Range	Graduation Marks (Numeric Increments)	No. of Arms	Lg.	Wd.	Front Graduation Marks (Numeric Increments)	Back Graduation Marks (Numeric Increments)	Color	Mark Style	Shape	Ht.	Wd.	Color	Manufacturer Model No.		Each
Inch
Satin-Chrome Steel
0°-180°	1° (10°)	1	6"	3/16"	Inches (1"), 64ths (1")	Inches (1"), 32nds (1")	Black	Etched	Rectangular	2"	3 3/8"	Silver	C493B	00000000	000000