A4 Size Electric Comb Binding Machine EB-30 Electric Punching Machine 21holes Rubber Ring Clips Dual-use Binding Machine ,Easy to Operate

Model:EB-30 Product number:DL0332 Punch capacity: 30 sheets 80g Punch size: 3*8mm pumping the knife number: 21 Pressure ring size range: rubber ring 6-51mm, clips 3-35mm