Features:
F4 Size (24 Holes)
Fold The Fuselage, Economize Interspace
Thickness of Punches: 25 pages (70g)
Thickness of Punches: 3 sheets plastic cover
Maximum Thickness of Binding: 51mm
Adjustable Margin Control
1-24 holes free choice
Super Heavy Duty
More detail about 33 Safety Box & Security Equipment