Description: Documents open easily and lie flat...Perfect for reference materials and training manuals. When you need to make changes, just add, remove or rearrange pages in seconds. Simply rebind the document and you're done!

SIZE:
1/4" 6mm
5/16" 8 mm
3/8" 10 mm
7/16" 11 mm
1/2" 12 mm
9/16" 14 mm
5/8" 16 mm
3/4" 19 mm
7/8" 22 mm
1" 25 mm
1-1/8" 28 mm
1-1/4" 32 mm
1-3/8" 35 mm
1-1/2" 38 mm
1-3/4" 45 mm
2" 51 mm

Packing Details: 100pcs/Box