Swordfishs Trio Electric Sharpener is the ideal sharpening tool. The Trio really does live up to its name! You can now sharpen not 1, not 2 but 3 pencil sizes - 8mm, 9.5mm and 11mm diameter pencils, all with just one perfect precision tool. Its fast too! The Trio sharpens 15 pencils in one minute, taking only 4 seconds to sharpen one pencil, while the auto stop function prevents oversharpening. Additional safety features include Auto On/Off, ensuring that machine only starts when the pencil has been inserted & stops automatically once you remove it. For added safety it also cuts machine's power when the shaving tray is removed. Unique replaceable helical blade cutting system performs to a higher standard than any standard flat blade. Series of sharp ridges revolve around the pencil, producing the perfect point every time. Sturdy plastic shavings tray has a capacity to hold 76 pencils worth of shavings before it requires emptying. Fast efficient and stylish, its the perfect machine