National patented product, found "two unite as one" comb and wire binding machine The 21 rectangle aperture and 34 circle aperture Fold the fuselage, economize interspace The max. punching abillity : 20pages (80gr), plastic cover three sheets The max. abillity : 500 pages (50mm plastic comb), 250 pages (14.3 loop wire) The max. binding pages : below A4 (210x297mm) The range of margin distance : 2.5mm - 5.5mm Hole distance : 14.3mm, 8.5mm Weight : 14.8kg The out size : 428x400x128mm