지름
비고
6
8.5
11.8
13.5
14
15.6
16.5
18
19
22
24
25.4
26
28
30
32.5
33
33.5
34.5
36
40
45
50.4
51.6
55
56
59.5
60.3
67.5
69.5
73.5
79.5
81.5
85.5
90
95
100
103
120
123
130
140
163