1) Binding format: plastic comb
2) Punch capacity: 25 sheets (80g), plastic cover two sheets.
3) Bind capacity: 450 pages (50mm plastic comb)
4) The maximum binding length: B4 (360mm)
5) The range of margin control knob: 2-5mm
6) The most punch to count: twenty-four
7) Margin distance and the form of hole: 14.3mm 3 x 8mm
8) Dimension: 464 x 340 x 180mm

1) Binding format: plastic comb
2) Punch capacity: 25sheets (80g), 2 plastic cover sheets
3) Bind capacity: 450pages (50mm plastic comb)
4) Maximum binding length: B4 (360mm)
5) Range of margin control knob: 3-6mm
6) Punch to count: 12 holes or 24 holes
7) Hole distance: 14.3mm
8) Dimension: 460 x 382 x 136mm

1) Binding format: plastic comb
2) Punch capacity: 12 sheets (80g)
3) Bind capacity: 210pages
4) Edge distance can be adjusted, hand powered
5) Dimensions: 368 x 138 x 230mm
6) Cutting lifetime of razor blade: >100,000 times
7) The maximum binding length: A4 (297mm)

1) Binding format: press binding, plastic comb.
2) Punch capacity: 20 sheets (80 grams)
3) Bind capacity: 500 pages (50 mm plastic comb)
4) Edge distance can be adjusted
5) 21 sheets of razor blade can be drown out
6) Dimension: 440 x 330 x 216mm
7) High efficiency