Standard 5020 S:This high powered industrial shredder will make short work of even heaviest work load. Taking up to 85 sheets of paper at a speed of 41 ft/min this shredder is designed to withstand highest volume shredding jobs. 17” throat width also allows more sheets of paper to be shredded simultaneously as well as those large, unwieldy sheets. three folding form shelves and casters both add convenience to this machine. With its all steel construction, Standard 5020 shredder is also one of sturdiest machines around. This model is also extremely user-friendly, featuring a manual start and shut off switch for when 50 gallon waste capacity is reached. This Security Level 2 machine is perfect for destroying large quantities of unwanted office correspondence and other documents.