1/4＂
5/16＂
3/8＂
-
1/2＂
-
3/4＂
1＂
1 1/4＂
2＂
3＂

6.6
9.8
11.8
13.8
16.7
21.2
21.7
28.2
36
46.5
80

10
13
15.8
17.8
21.2
26
28.5
33.9
41.8
54.5
89