The Qupa D310 is an excellent all metal 3:1 pitch wire binding machine. The Qupa range also has the flexibility to disengage specific punch pins for special sized documents which is ideal when binding documents smaller than A4.
Machine Features Include:
Pitch: 3:1 Pitch
Punch Capacity: 25 sheets (based 80gsm)
Document Capacity: 125 Sheets (based 80gsm)
Warranty: 12 months
Download the fact sheet here