A4 Paper Binding Machine Puncher Binder 21 Holes Binding Machine 12 Sheets Punching Binding Office Home Tools ,Easy to Operate

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 Comb Clip Strip Apron Punching Machine 21 Hole Tender Book Binding Machine 10 Hole Clip Strip A4 Binding Machine ,Easy to Operate.