1.Quick SharpeningWhen you press the pencil, it will automatically sharpen, the blade will turn after sharpening but will not sharpen the pencil. You can feel the sharpening finish and remove the pencil. It doesn't stay sharp and avoid wasting pencils. The process only takes 3-5 seconds. 2.Quickly sharpen all standard 6-8mm pencilsColorful and traditional graphite pencils, suitable for round, triangular and hexagonal pencils. Use the popular wooden box graphite and colored pencils. Not suitable for wood free pencils. 3.PortableThe pencil sharpener is small and portable. No plug restrictions, no wires required. Safe and efficient. Perfect for kids, teachers, artists, professors, engineers, architects and fashion designers to make drawing and writing easier 4.Dual Blade DesignThe new dual blade design performs faster and longer lasting cuts. One blade can be sharpened more than 300 times. It comes with 2 replacement blades, greatly extending the life of the sharpener.