The Pulsar+ 300 comb binder is designed for regular use in small offices. It can punch up to 20 sheets of paper at a time with an overall binding capacity of 300 sheets using a maximum comb size of 38mm. Pulsar+ 300 is engineered with user friendly features that allow straightforward, efficient document binding, including an adjustable edge guide for accurate paper alignment and a storage tray with a comb and document size guide which enables the quick selection of the correct size supplies. The chip tray automatically bursts open when full to eliminate punching jams. Pulsar+ 300 includes a starter kit for binding 10 documents and comes with a 2 year warranty .