A4 Paper Binding Machine Puncher Binder 21 Holes Binding Machine 12 Sheets Punching Binding Office Home Tools ,Pinpoint Punching

Hole margin: 3/4/5mm Hole shape: 3*8mm Number of holes: 21 Number of punched sheets: 12 sheets 80g Size: 385*275*360mm Binding capacity MAX: 450 pages (A4-70g)You may also like Factory Office Comb Binder RS-12 Binding Machine Comb-Type/Clamp Folder Of A4 Paper Bookbinding Machine ,Pinpoint Punching.