Akiles iCoil 41 Manual Coil Punch & Electric Inserter, Standard 4:1 (0.25") Pitch, Round (4mm) Hole Size, 11" (43 Holes) Punching Length, 15 Sheets of 20 lbs Paper Punch Capacity, Side Margin Control Home or small office Coil Binding System Electric binding capacity up to 7/8&quot; FREE Coil Crimping Cutters included Manually punches to 15 sheets of paper at a time. Punches 43 holes on an 11" sheet of paper