1 Coil Crimper Plier. 46 Holes Electric Coil Spiral Binding Machine, Spiral Coil Book Puncher w/100 Plastic Coil and Plier for A4/A5 or Smaller Sizes. You can adjust the distance (3mm/0.12″, 5mm/0.2″, and 7mm/0.28″) between the hole and the paper edge.