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office comb binding rings
office comb binding rings, school binding combs, offi ce file bindings
item name: binding coil
material: iron/metal
color: various. red, black, white, etc. can be customerized
size: different sizes available according to different needs
single ring, double ring for choose
metal binding coil/meta binding spiral coil/double ring coil
inner diameters vary from 6mm to 51mm
spiral binding coils also available
metal single-ring coil
plastic single-ring coil
inner diameter
MAX binding thickness
loop distance
inner diameter
MAX binding thickness
loop distance
inch
MM
MM
MM
inch
MM
MM
MM
1/4
6.4
3.4
68
1/4
6.4
1.27
58
5/16
7.9
4.9
5/16
7.9
3/8
9.5
6.5
3/8
9.5
1.57
7/16
11.1
8.1
7/16
11.1
1/2
12.7
9.7
1/2
12.7
1.78
9/16
14.3
11.3
9/16
14.3
5/8
15.9
12.9
5/8
15.9
3/4
19.1
15.1
3/4
19.1
7/8
22.2
18.2
7/8
22.2
2.29
1
25.4
20.4
1
25.4
1-1/4
31.8
25.8
1-1/4
31.8
3.0
1-1/2
38.1
32.1
1-1/2
38.1
2
50.8
42.8
2
50.8
Taoyuan statioenry
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