Features:- Punches up to 20 sheets of paper at a time (80gsm) and binds up to 500 sheets with 50mm comb.- Ideal capacity for heavy duty office use.- Durable metal mechanism for longevity.- Efficient design permits separate punching & binding.- Quasar-E features electric punching for ultimate ease of use.- Comb storage tray with patented document measure allows user to select quickly.- Chip tray with burst out feature to eliminate jams.- Vertical sheet loading ensures consistent punch alignment.- Adjustable edge guide aligns sheets accurately.Benefits:- Ideal capacity for office use.- Efficient design for general use.- Electric punching.- Includes binding starter kit for 10 documents.