Based on the best selling WireMac, the WireMac-Duo offers both 2:1 and 3:1 pitch die sets installed in a single unit, with no need to change dies. Punch and bind from 2 sheets to over 200 sheets, with a 20 sheet single punching capacity, plus 14" width punching capacity with open sides for even wider documents.

Features include:

• Die Disengagement Pins to allow the punching of any size document while preventing partial side-end perforation
  
• Continuous Punch Guide (3:1 only) & Open Throats for punching documents larger than 14"
  
• Depth Margin Controls provide the correct punching margin depth needed for all wire sizes and maximizes tear resistance
  
• Side Margin Controls provide a well-centered punch for all document sizes
  
• Master Selector determines the correct wire diameter, closing position, depth margin, wire pitch
  
• Diameter Scale measures document’s thickness in order to select best wire size option.
  
• Closing Capacity: From 3/16" to 1-1/4"
  
• All metal construction.