SIZE
L/MM
D1/MM
D2/MM
REMARK
3/16"
38
16.7
22
50g
1/4"
38
19.4
22
55g
5/16"
38
23.1
22
60g
3/8"
38
25
22
65g
7/16"
40
28.7
24
95g
1/2"
40
32
26
110g
9/16"
45
35
26
130g
5/18"
45
38
26
135g
11/16"
45
40
26
185g
3/4"
45
44
26
200g