GBC 3230 Electric Paper Punch, 2 Or 3 Hole, 24 Sheet - 7704270
The 3230 Electric punch simplifies your daily punching jobs. Simple Push button operation punches up to 24 sheets at a time. Jam reverse knob easily clears jams.  A convenient chip drawer window lets you see easily when the tray needs emptying.  Paper alignment guide assures perfect punching alignment.  Limited one-year warranty.