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System of Measurement
Inch
Metric
Blade Length
1
1/2"
2"
2
3/8"
2
1/2"
3"
3
1/2"
4"
4
5/16"
4
1/2"
6"
7"
8"
9"
10"
11
3/4"
Mount Type
Adhesive Back
Magnetic
Magnetic Back
Magnetic Base
Screw On
Length
1
1/2"
2
1/4"
3"
3
1/2"
3
9/16"
3
5/8"
4"
4
1/2"
4
3/4"
4
15/16"
5"
5
1/8"
5
3/4"
6"
6
3/8"
6
1/2"
6
5/8"
7
7/8"
8"
9"
10"
10
1/2"
11
3/8"
11
3/4"
12"
15"
18"
23
1/2"
24"
36"
48"
60"
72"
78"
96"
300 mm
600 mm
Material
Adhesive
Aluminum
Cast Iron
Granite
Metal
Neodymium
Plastic
Silicone Rubber
Stainless Steel
Steel
Wood
Zinc
Angle Numeric Increments
0.01°
0.1°
1/2°
1°
2°
5°
10°
15°
45°
Angle Measured
-180° to 180°
-30° to 30°
0 min to 120 min
0° to 90°
0° to 180°
0° to 220°
0° to 360°
30°
45°
90°
Graduations
5 min
0.5°
1°
2°
2.5°
5°
1/100"
1/64"
1/50"
1/32"
1/16"
1/12"
1/10"
1/8"
1/4"
0.5 mm
1 mm
2 mm
0.5 cm
Manufacturer
Mitutoyo
Starrett
Color
Black
Black/Silver
Blue
Chrome
Clear
Gold
Green
Orange
Red
Silver
White
Yellow
Shape
Half Round
Round
Straight
Tee
Angle Accuracy @ Zero Point
-0.10° to 0.10° @ 0° to 10°
-0.05° to 0.05° @ 0° to 10°
Width
3/8"
7/16"
1/2"
5/8"
3/4"
7/8"
1"
1
1/16"
1
1/8"
1
1/4"
1
3/8"
1
1/2"
1
9/16"
1
13/16"
2"
2
1/4"
2
5/16"
3"
6
1/2"
22"
Overall Length
2
1/4"
3
1/2"
3
9/16"
3
5/8"
4"
4
1/2"
4
3/4"
5"
5
1/8"
5
3/4"
6"
6
3/8"
6
1/2"
6
5/8"
9"
10
1/2"
11
3/8"
Arm Length
4"
4
1/2"
6"
8"
10"
12"
17"
18"
21"
12 cm
25 cm
Square Head Material
Aluminum
Cast Iron
Plastic
Steel
Zinc
RoHS
Compliant
Compliant with Exemptions
Not Compliant
REACH
Compliant
Not Compliant
Manufacturer Model Number
9-12-4R
9-18-4R
9-24-4R
11H-12-4R
11H-6-4R
20-1 1/2
20-12
20-3
20-4 1/2
20-6
187-904
311-215
311-225
311-245
435-12-16R
Export Control Classification Number (ECCN)
EAR99
Measuring Component
Blade
Center Head
Protractor Head
Square Head
Square Head with Built-In Level
DFARS Specialty Metals
Exempt
Blade Material
Aluminum
Stainless Steel
Steel
Head Length
2
1/4"
2
13/32"
3
5/8"
3
11/16"
4"
4
1/4"
4
1/2"
4
9/16"
4
5/8"
4
3/4"
5"
20"
22"
Blade Width
1/2"
17/32"
5/8"
47/64"
3/4"
13/16"
7/8"
15/16"
1"
1
1/16"
1
1/8"
1
1/4"
1
5/16"
1
31/64"
1
1/2"
1
9/16"
2"
2
3/16"
2
1/2"
Data Connection
3.5 mm Audio
Bluetooth
USB-C
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293 Products
Angle Indicators
Pocket Remote-Reading Digital Angle Indicators
Measure angles from a distance and hear the measurement read aloud
1 product
Digital Angle Indicators with Laser
Project a laser beam to align guide rails or lay pipe at a specific angle
1 product
Digital Angle Indicators
See angle, level, and tilt measurements on an easy-to-read display
2 products
Digital Pitch Angle Indicators
View angles in degrees and percent of slope on an easy-to-read display
1 product
Pocket Digital Angle Indicators
Fit into your pocket so they’re available wherever you need them
1 product
Digital Angle Indicators with Calibration Certificate
See angle, level, and tilt measurements on an easy-to-read display
2 products
Digital Horizontal-Plane Angle Indicators
View slope, level, and angle on an easy-to-read display
1 product
1-Axis Tilt Angle Indicators
A ball inside the level tube indicates the side-to-side tilt angle
9 products
Angle Indicators
Measure the angle of any surface
2 products
Heavy Duty Angle Indicators
More durable than other angle indicators, these have an aluminum frame
1 product
Pocket Digital Angle Indicators with Level
View angle measurements and a digital level on an easy-to-read display
1 product
2-Axis Tilt Angle Indicators
Measure front-to-back and side-to-side tilt
2 products
Other Products
Protractors
Set bevels and measure angles with everything from pocket-size to long-arm protractors
36 products
Combination Square Blades
Connect to a combination square head to create a combination square
18 products
Optical Comparators
Magnify your part to check for dimensional accuracy and surface defects
2 products
Sine Bars
Measure, mark, and inspect exact angles on dies and other precision parts
2 products
Levels
Ensure surfaces are completely horizontal or vertical
26 products
Rotary Angle Indexers
Position round workpieces at precise, repeatable angles for machining flats, hexes, and key slots
2 products
Multitools
A variety of tools and blades all in one
1 product
Squares
Check 90° angles during layout work with combination, angle, or pipefitters' squares
125 products
Combination Square Heads
Attach combination square blades to form a combination square
28 products
Shaft Alignment Kits
Confirm that shafts are aligned or measure the degree of their misalignment
9 products
Center Punch/Angle Indicators
Find the center of pipe and other parts and determine setup angles on milling machines and grinders
3 products
Squareness Gauges
Check frames and machined parts to see if they are leaning or uneven
3 products
Angle Identifiers
Place the edges against fittings, dies, and other objects to quickly verify angles up to 45°
2 products
Angle Transfers
Duplicate any angle in construction and other applications
2 products
Light Meters
Measure light quality and intensity
2 products
Straightedge/Protractors
Draw straight lines and measure angle, slope, and rise with one tool
2 products
Gauge Blocks
Confirm dies, fixtures, and other workpieces meet precise tolerances and calibrate measuring tools
1 product
Level Mounts
Strap to nonmagnetic surfaces to attach a magnetic level
1 product
Parallel Rules
Draw parallel lines, as well as circles, arcs, and angles
1 product
Straightedges
Draw straight lines and check the straightness of surfaces
1 product
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)