This combination of 3:1 and 21 Loop Plastic Comb binding will allow you to create professional looking booklets and documents. There is a closer for wire, and a comb opener finishing off your documents. This machine has an all metal construction for excellent longevity.

WireBinder Comb and Wire Binder Features:

• Combination 3:1 and 21 Loop Plastic Comb Binder
• Heavy duty metal construction
• Punch up to 20 sheets of paper at once
• Punch 2 covers (plastic + backing) at once
• 355mm width punching capacity with open sides for even wider documents
• All pins can be independently disengaged, to allow the punching of any size document
• Compatible with Bound to Impress 3:1 plastic spirals for a robust binding technique that can bind documents up to 45mm thick
• Compatible with Bound to Impress plastic combs for a binding that can bind documents up to 51mm thick
• Wire Closing capacity: from 3/16" to 9/16" (4.8mm to 14.3mm)
• One year warranty

3:1 Pitch 3 holes per inch 34 loops per A4 sheet	Comb binding 20 or 21 holes per A4 sheet