Inch
mm
A
1/4"
8
42.0
3/8"
10
45.0
1/2"
15
48.0
3/4"
20
52.0
1"
25
58.0
1.1/4"
32
63.0
1.1/2"
40
64.0
2"
50
78.0
2.1/2"
65
85.0
3"
80
95.0
4"
100
110.0