SIZE
inch
1/2
3/4
1
11/4
11/2
2
21/2
3
4
6
mm
15
20
25
32
40
50
65
80
100
150
A
16.5
21
24
28.8
36
45.8
56.5
73.6
101
B
36.6
45.5
53.4
83
75.7
91.5
119.5
176
C
38
48
56
58
61
87
71
83.6
86
D
32.5
39
87.5
97
123.5
190
