The Pulsar+ 300 comb binder is designed for regular use in small offices. Punch up to 20 sheets of 80gsm paper at a time with an overall binding capacity of 300 sheets, using a maximum comb size of 38mm. Punches A4 sized documents only. 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. Includes binding starter kit for 10 documents. 2 year warranty.