- Machine spiral springs
- Manual & System closed by a spring power
- The number of perforated holes: 15 sheets A4 70gms/lan
- Close the 320 sheets
- Length closed maximum paper size: 356mm
- Close the circular 4mm hole
- The function is very convenient to miss close
- Function to align, adjust neck
- Tools mounted electric spring easily, quickly
- Dao play special steel durable
- The body is designed with metal
- Use spring: from 6mm to 32mm (20-320 sheets)
- Size: 53.5x43.5x32.5cm
- Weight: 25 kg