Akiles Wiremac Duo 14" Punching & Binding Machine Heavy Duty 2-in-1, 2:1 & 3:1 Wire Has two independent punching die sets to punch & bind multiple systems or different pitches Single punching capacity: up to 20 sheets (20lbs paper/ letter size) Single punching length: 14" with Open Ends for longer sizes Wire Closer Control: With continuous adjusting scale for an exact and secure closure every time Wire Holder: Holds wire in place for easier inserting of sheets