Swordfish's 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.it's 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 the machine only starts when the pencil has been inserted and stops automatically once you remove it.for added safety it also cuts the 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.a series of sharp ridges revolve around the pencil, producing the perfect point every time.a sturdy plastic shavings tray has a capacity to hold 76 pencils worth of shavings before it requires emptying.fast, efficient and stylish, it's the perfect machine!. Versatile and heavy duty trio sharpener has three holes for standard 8mm, 9.5mm and large 11mm pencils, providing excellent results with all types of pencils. Robust machine includes auto start stop function which automatically sharpens your pencil when inserted and stops when it's removed, preventing over sharpening and pencil waste. Extra large capacity transparent slide out shavings tray reduces the need for frequent emptying whilst providing an easy to clean, mess free sharpening experience. Additional safety feature powers down the machine when shavings tray is removed. Replaceable, easily removable and long lasting helical blade code 40023 prolongs the life of your sharpener, whilst helping produce the perfect point every time