A 12 inch wide openingaccepts stapled and paperclipped documents as well as credit cards andCDs. One multipurpose switch controlsstand-by, stop, and reverse functions and utilizes backlit opticalsignals to show the active status.At 40 inchestall and weighing 324 pounds, this is a heavy device. And it ismounted on casters for easy mobility, making its weight something youwon't need to worry too much about. Overall, the MBM Destroyit 3105 is well able to handle the mediumsecurity shredding needs of your office. Designed forheavy duty use, this is an average sized central shredder.Jams are easily cleared as the auto reverse spits out the overfedpaper. All these work to keep yourshredder in top working condition. Powerful blades efficiently destroydocuments with staples and paperclips as well as credit cards and CDs,keeping your confidential information safe. The opening isprotected by a clear safety guard preventing ties and other objectsfrom getting caught in the blades. Weaknesses With particles only 3/16 inch by 1-1/2 inches, this shredderoffers only a level 3 security rating. A high quality woodencabinet houses the bag and acts as a noise reducer by absorbing soundfrom the motor to give you a quieter shredding experience.Shredsfall into a 48 gallon plastic bag, suspended on a pull-out China wholesale hot working die steel bag framethat is mounted on rollers for easy discarding. A dustproofgearbox housing helps prevent corrosion. For all-purpose office use,level 3 provides enough security for most businesses.Let's take a closer look. The sturdy chain drive staysrunning smoothly by the automatic oil injection system. However, if yourbusiness needs a more secure disposal of sensitive material, this samemodel is available in a higher security version. The blades eat as many as 32 sheets at once as fast as 30 feet perminute, excellent rates for a cross cutting device. Equipped withhigh quality steel blades and a continuous use motor, this machine ishefty enough to shred large quantities of material, including staples,paperclips, credit cards and CDs, all day long.Thepowerful single phase motor is double protected against overheating andrated for uninterrupted all day use. It is extremely easy touse as well as safe, thanks to the many automatic features installed. Strengths: The automatic start and stop function is controlled by a photocell that senses paper in the feed and shreds on cue. Automatic safety featuresensure easy and stress-free use. Automatic stop is activated when theshred bag is full, the cabinet is open, or if there is a paper jam. Exact capacitylevels during use are displayed to show precisely how much the machinecan take at that moment. The tiny particles left offer a level 3security rating, helping to keep your information safe. The 3105 Cross Cut papershredder is an excellent option for your next central office shredder. Finally, an energy saving mode kicks in after inactivity for onehour, winding down to a "sleep" mode to save electricity.MBM Destroyits are known to be highquality products and the 3105 Cross Cut is no exception