Inch

Metric

5 min

1°

2°

1 point

6 point

8 point

1/100 ft.

10 point

0.5 mm

1 mm

2 mm

0.5 cm

1 cm

0.007"

Arrow

Circle

Diamond

Ellipse (20°, 30°, 40°, and 50° Projections)

Hexagon

Isometric Ellipse (25°, 35°, 45°, and 60° Projections)

Square

Triangle

EAR99

Yes

No

Electrical/Electronic

Flow

Flowchart

Heating and Air Conditioning

House and Plumbing

Pipe Fittings

Sheet Metal Conduit

6 point

1 pica

16 point

20 point

1"

1/10 ft.

1 ft.

10 mm

20 mm

Embossed

Etched

Printed

Lead

Pencil

Scribing Point

Soapstone Crayon

Blank

Grid

Lined

3"

3 9/16"

4 1/16"

5"

6"

6 1/4"

6 1/2"

7"

7 1/4"

8"

8 1/2"

9"

9 3/8"

9 3/4"

9 7/8"

10"

10 1/8"

10 1/2"

11"

11 1/2"

12"

15 1/2"

18"

18 3/8"

24"

24 3/8"

36"

42"

48"

60"

72"

Back

Bottom

Center

First Inch

Front

Left Side

Right Side

Top

Calibration Certificate Traceable to NIST

Calibration Certificate with Test Data Traceable to NIST