c9028a heavy duty single-coil binding machine

Use all available pins to punch holes smaller than A4 size.
Maximum stamping: 20 sheets of 70g paper
Maximum Binding: Approximately 500 sheets based on the size of the coil.
If the electric constraint: about 250 pieces
Hole quantity: 46 pieces
Hole Size: 4mm Round Hole or 4.5mm Elliptical Hole
Pitch: 6.35mm or 6.29mm
Paper Edge: 2.5 / 4.5 / 6.5mm
Net weight: 12 kilograms (each machine with a color box).
Gross Weight: 26 kilograms (2 pieces per box)