OffiWire 31 3:1 Wire-Binding Machine

Three holes are punched per inch and then bound with double-loop wire. 3:1 offers a sturdier finish than 2:1 wire binding. Pages turn 360° and lay flat for easy copying. This easy-to-use machine is perfect for light office and home use. Punches up to 10 sheets and binds documents up to letter size. 1-year warranty.