[Heavy Duty Pencil Sharpener for Classroom]Suitable for classrooms and households that use a lot of pencils. sharpen pencils in 3-5 seconds. Heavy-duty steel blades can sharpen pencils over 10,000 times. it's big and heavy so it won't slip off the table. children can sharpen pencils themselves.[Colored Pencil Sharpener]It is perfect for 6-8mm size 2 graphite pencils and colored pencils such as Prismacolor Premiers, Derwent, Verithins, Faber-castell, Koh-I-Noor Progresso. pencil sharpener can sharpen 200 pencils in a row.[Auto-stop]Electric pencil sharpener with Pencil Saver feature prevents oversharpening.the pencil stops automatically when it reaches the desired sharpness. it doesn't keep sharpening and causing the pencil to go to waste.[3 modes to choose]The pencil sharpener has 3 sharpening modes to choose from (sharp/medium/blunt). it can be sharpened in 3 different sharpnesses. use sharp-mode for writing, and medium/blunt-mode for drawing.[Power-off protection] Pencil sharpener stops shaving when bin is removed[Risk Free Purchase ] 100% lifetime satisfaction guarantee . We're so confident that you'll be ghted with our electric pencil sharpener that if you're not satisfied with them at anytime,contact us and we'll provide you with a FREE replacement or a full refund including the tax .[Perfect Gift ]Perfect gift for teachers, students, engineers, children, artists, and anyone who loves to draw