Check the listing for details. Akiles DuoMac-321 Heavy Duty 2-in-1 Combo Binding Machine. Condition: New. Listed at 878.90 USD. The WireMac-Duo wire binding machine punches and Closes both 3:1 AND 2:1 Pitch Wires 20 sheets single punching capacity (20 lbs paper), 14" width punching capacity with open sides for even wider documents. All dies can be independently disengaged, to allow the punching of any size document while preventing partial side-end perforation. Closing capacity: From 3/16" to 1-1/4." All metal construction. For fast, secure wire binding considers the Akiles WireMac-duo. Specifications for the WireMac Duo Wire Binding Machine Punching Pitch: 3:1, 3 holes per 1" 2:1, 2 holes per 1" Disengageable Dies: 40 dies 27 dies Punching Holes: Square 4mm x 4mm Rectangular 4mm x 5.5mm Binding Capacity: 3/16" - 9/16" 5/8 - 1-1/4" Punching Length: 14" with open throats for longer documents. Punching Capacity: 20 sheets of 20 lbs bond paper Die Disengagement Pins: For a clean and complete punching with different paper sizes. Continuous Punch Guide (3:1 Only) & Open Throats: For punching documents larger than 14". Depth Margin Controls Provides the correct punching margin depth needed for all wire sizes. Side Margin Controls: Provides 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 to select the best wire size option. Wire Closer Control: Adjusts the wire closer to close wires from 3/16" to 1-1/4." Closing Mechanism: Vertical Wire Snatch: Holds wire in place for easier inserting of sheets. Warranty: One Year Weight & Cubit Feet 53 Lbs & 2.22 CbFt