These products are applicable to connect the circular wire and hemicycle-sector GT series hole-passing connection tube is made of T2 copper tube.GL series hole-passing connection tube id made of L3 aluminium tube,both top quality. 
    | 
| TYPE | 
D | 
d | 
L |  
| GT-1-10 | 
8 | 
5 | 
52 |  
| GT-1-16 | 
9 | 
6 | 
56 |  
| GT-1-25 | 
10 | 
7 | 
60 |  
| GT-1-35 | 
11 | 
8 | 
64 |  
| GT-1-50 | 
13 | 
10 | 
72 |  
| GT-1-70 | 
16 | 
12 | 
78 |  
| GT-1-95 | 
18 | 
14 | 
85 |  
| GT-1-120 | 
20 | 
15 | 
90 |  
| GT-1-150 | 
23 | 
17 | 
100 |  
| GT-1-185 | 
25 | 
19 | 
105 |  
| GT-1-240 | 
27 | 
21 | 
110 |  
| GT-1-300 | 
31 | 
24 | 
130 |  
| GT-1-400 | 
34 | 
26 | 
150 |  
| GT-1-500 | 
38 | 
30 | 
170 |  
| GT-1-630 | 
45 | 
35 | 
190 |   
  
| TYPE | 
D | 
d | 
L |  
| GL-1-10 | 
9 | 
5 | 
52 |  
| GL-1-16 | 
10 | 
6 | 
56 |  
| GL-1-25 | 
11 | 
7 | 
62 |  
| GL-1-35 | 
12 | 
8 | 
67 |  
| GL-1-50 | 
15 | 
10 | 
76 |  
| GL-1-70 | 
17 | 
12 | 
87 |  
| GL-1-95 | 
19 | 
14 | 
92 |  
| GL-1-120 | 
21 | 
15 | 
98 |  
| GL-1-150 | 
23 | 
17 | 
108 |  
| GL-1-185 | 
25 | 
19 | 
114 |  
| GL-1-240 | 
28 | 
21 | 
118 |  
| GL-1-300 | 
34 | 
24 | 
135 |   
  
| TYPE | 
¦µ | 
H | 
L | 
R | 
R1 | 
A |  
| OT-10 | 
5.2 | 
6 | 
14.5 | 
4.5 | 
2 | 
0.8 |  
| OT-20 | 
6.2 | 
7 | 
17 | 
5.5 | 
2.5 | 
1 |  
| OT-30 | 
6.2 | 
8.2 | 
19 | 
5.8 | 
3.2 | 
1.2 |  
| OT-40 | 
6.2 | 
9 | 
19.5 | 
6.2 | 
3.5 | 
1.2 |  
| OT-50 | 
6.2 | 
9 | 
21.5 | 
6.5 | 
3.5 | 
1.2 |  
| OT-60 | 
8.2 | 
10 | 
23 | 
7 | 
4 | 
1.4 |  
| OT-80 | 
8.2 | 
11 | 
25 | 
8 | 
4.5 | 
1.5 |  
| OT-100 | 
8.2 | 
12 | 
29 | 
8.5 | 
5 | 
1.5 |  
| OT-150 | 
10.2 | 
12 | 
31 | 
9 | 
5.5 | 
1.6 |  
| OT-200 | 
10.2 | 
14 | 
33 | 
10 | 
6 | 
1.7 |  
| OT-250 | 
10.2 | 
15.5 | 
36 | 
10.5 | 
6.5 | 
2 |  
| OT-300 | 
12.2 | 
16 | 
40 | 
11.5 | 
7 | 
2 |  
| OT-400 | 
14.2 | 
18 | 
43 | 
13 | 
8 | 
2.2 |  
| OT-500 | 
14.2 | 
20 | 
46 | 
14.5 | 
8.5 | 
2.4 |  
| OT-600 | 
16.2 | 
22 | 
50.5 | 
16 | 
10.5 | 
2.8 |  
| OT-800 | 
18.2 | 
26 | 
61 | 
17.5 | 
12.5 | 
3.2 |  
| OT-1000 | 
18.2 | 
33 | 
66 | 
20.5 | 
15.5 | 
3.8 |    |