The TW 3100 is a manual punch and bind machine by Tamerica designed for 3:1 Pitch Twin Loop Wire-O.
The Tamerica TW-3100 Manual 3:1 Wire Punch and Binding Machine is designed for offices, schools, and businesses in general. The TW 3100 punches up to 20 sheets at a time, and closes books up to 120 sheets using 9/16" wire binds. With the ability to punch a 14" document in one punch, and punching larger documents with the open ended style, you can handle anything you need to. The TW 3100 comes with a side margin control and a 4 position punching depth adjustment for perfect and easy sheet alignment.
The incorporated wire closer is designed for up to 9/16" wire (which is the standard maximum size for 3:1 Wire-O Binds). The TW 3100 has smooth, clean punching, and has a heavy duty, all metal construction, ensuring durability.