The Sterling® Punchmaster® is the paragon of punching speed and versatility. It will punch for Double Loop Wire, Spiral, Plastic Coil Binding, T-Slots, or Plastic Comb Binding faster than any automatic punch on the market. It will also punch double row wrap around covers, windows, doorhangers, and tags. The machine can punch any shape hole, anywhere on the sheet at 130 strokes per minute or 125,000 sheets per hour.