For professional, high-volume users. Fast, electronic punching of up to 17 sheets (80gsm) at a time . Automatic anti-jam facility. Variable punch pins to enable punching of various sizes of documents. Adjustable margin guide for different size documents. Vertical punch throat for faster more accurate punching. Binds documents up to 120 pages using industry standard 3:1 pitch wires. Unique stay-put wire hNEWer to assist binding. Finishing documents benefit from 360 degree turning for lay flat reading and easy photocopying