G80 American mother ring technology parameters：
|
size(in ) |
WEIGHT
（kg） |
W.L.L
(t) |
B.L.L
(t) |
|
3/4 |
1.05 |
4.7 |
18.8 |
|
7/8 |
1.47 |
6.4 |
25.6 |
|
7/8 |
1.57 |
8 |
32 |
|
1 |
2.1 |
11 |
44 |
|
11/4 |
4.3 |
16 |
64 |
|
11/2 |
7.25 |
21.7 |
86.8 |
|
13/4 |
11.55 |
28.4 |
113.6 |
|
2 |
16.2 |
35 |
140 |
|
21/4 |
23.28 |
45 |
180 |
|
21/2 |
32 |
50 |
200 |
|
23/4 |
43 |
60 |
240 |
|
3 |
47 |
70 |
280 |
