Chargeable electric pencil sharpener heavy duty, Pencil Sharpener With powerful motor and durable helical blade, the large pencil sharpener can sharpen over 5000 times. Fit all kinds of 6-12mm multiple sizes Triangle and Hexagonal pencils , colored pencils and charcoal and large pencil . It sharpens quickly and uniformly in 3-5s; Electric pencil sharpener with auto-stop, lid is opened auto Stop for protecting the safety of the child. school use efficient for kids.Although there is only one hole, the hole is elastic and can be used for different sizes of pencils. Better e than a porous pencil sharpener; Three Adjustable Pencil Nibs,This electric sharpener has 3 sharpness settings: blunt, medium, sharp. It is also very quiet when sharpening and fast, which can meet different usage requirements. Great for artists, students, teachers, professors, engineers or architects to make a drawing, writing, and coloring easier; Rechargeable Pencil Sharpener, The portable pencil sharpener can be used for 300 times on 1 hour's charge with a 2000 mAh lithium battery. It is available to be recharged by USB, or connect AC ac powered adaptor to recharge the battery, holds the charge for a long time;