Binding channels - standard, 297mm.

- Length: 297 mm.
- Sizes:
5 mm. - up to 30 pages
7 mm. - up to 50 pages
10 mm. - up to 90 pages
13 mm. - up to 120 pages
16 mm. - up to 150 pages
20 mm. - up to 180 pages
24 mm. - up to 220 pages
28 mm. - up to 260 pages
32 mm. - up to 300 pages

- Colours - black, white, blue, grey