Incredibly versatile design?stapling and punching in one machine. Adjusts from two to three holes. Simple push-button operation makes punching a breeze. Guides help ensure perfect paper and stapling alignment for great results. Extra-large throat accommodates oversized paper. Jam reverse knob clears jams with ease so you won't get stuck mid-job. Chip-drawer has easy view window so you can see when it's time to empty. Sturdy metal and plastic construction.