Quasar-E 500 Comb Binder is ideal for use in the mid-sized to large office. Features electric punching for ultimate ease of use. Punch up to 25 sheets of 80gsm paper at a time with an overall binding capacity of 500 sheets, using a maximum comb size of 50mm. Includes a storage tray with patented comb and 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. 2 year warranty.