Quasar-E 500 Comb Binder is ideal for use in the Mid-sized to Large Office. Features electric punching for ultimate ease of use. Punches up to 25 sheets at a time (80gsm). Binds documents up to 500 sheets - max comb width 50mm. Includes a storage tray with patented comb & document measure to allow users to select quickly. Vertical sheet loading ensures consistent punch alignment. Adjustable edge guide aligns sheets accurately. Includes binding starter kit for 10 documents. Comes with a 2 year warranty.