Quietfire Design Broad-Edged Nib Equivalency Chart
This table is an approximation
|
Nib Width in
millimeters (mm)
|
Mitchell |
Brause
|
Speedball
C nib |
|
5
|
|
5
|
|
|
4.5
|
|
4.5
|
0
|
|
4
|
0
|
4
|
1
|
|
3.5
|
|
3.5
|
|
|
3
|
1
|
3
|
2
|
|
2.5
|
1.5
|
2.5
|
|
|
2
|
2
|
2
|
3
|
|
1.5
|
2 1/2
|
1.5
|
4
|
|
1.25
|
3
|
|
|
|
1
|
3 1/2
|
1
|
5
|
|
.75
|
4
|
.75
|
6
|
|
.6
|
5
|
|
|
|
.5
|
6
|
.5
|
|
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