Size |
A |
B |
1/8” |
17.5 |
17.5 |
1/4” |
20 |
21 |
3/8” |
24 |
25.5 |
1/2” |
28 |
30.2 |
3/4” |
33 |
36.5 |
1” |
38 |
44 |
1-1/4” |
44.5 |
54 |
1-1/2” |
49 |
61 |
2” |
57 |
74.5 |
2-1/2” |
68 |
90.5 |
3” |
78 |
108 |
4” |
96 |
136.5 |