DuoMac-421 | DuoMac-431 Die:Wire 2:1 + Coil 4:1 Round Hole It is an ideal choice

It is an ideal choice for any documents that you need to stay open hands-free

Closing capacity: WireMac-3:1 - 3/16” to 9/16” and WireMac-2:1 - 3/16” to 1 1/4”

Up to 25 punching cycles per minute

Produces professional-quality coil-bound books

DuoMac-421 | DuoMac-431 Die:Wire 2:1 + Coil 4:1 Round Hole It is an ideal choiceDescription Punches and Closes both 3: 1 (DuoMac 431) or 2: 1 (DuoMac 421) Pitch Wires and 4: 1 Pitch Coil (Round Holes) 20 sheets single punching capacity (20 lbs paper) 14 width punching capacity with open sides for even wider documents All wire 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 1 Year Warranty