This Microshred shredder cuts an A4 sheet into up to 10x smaller particles than a standard cross-cut shredder and is suitable for the destruction of particularly confidential documents. It shreds 9 sheets of A4 (70g/sqm) at a time into tiny 2 x 12mm micro particles, which is equivalent to security level P-5. Silentshred® technology ensures particularly quiet operation - perfect... for open-plan offices. The 450M can run for up to 10 minutes at a time. The pull-out 22 litre wastebasket is easy to empty and can be used with or without matching waste bags. The shredder also handles staples, credit cards and CDs with ease. The working width is 220mm and the average cutting speed is 2m/min. Fellowes gives a 2-year guarantee on the device and a 5-year guarantee on the cutting blades.