Wire Binding Machine Double Handle Coil Calendar Punch Machine Manual Office Binding Machine Bookbinding Machine ,Easy to Operate

Punch thickness: 25 sheets (80g) Binding thickness: 125 sheets (80g) Hole type: square Punch ratio: 3:1 Punch depth is adjustable: yesYou may also like TD-1200 Manual Spiral Wire Binding Machine Metal 34 Punching Hole File Menu Photo Album A4 Paper Document Binder Puncher Machine ,Easy to Operate.