Want a perfect long tip for your art pencils? Check out our electric pencil sharpener designed for artists, suitable for sketching and drawing pencils, charcoal, colored pencils, and graphite pencils. Rotate the knob to choose from 3 sharpening settings with adjustable nib length. Do not sharpen crayons, chalk, or ultra-soft charcoal or colored pencils, as they may jam the blade.3 NIB STYLE OPTIONS: Adjust the length and sharpness of the pencil tip. Turn the top adjuster clockwise for a long, blunt tip. Turn it counterclockwise for a short, sharp tip. For a long, sharp tip, first turn the adjuster counterclockwise, then switch to the second hole by turning it clockwise.RECHARGEABLE PENCIL SHARPENER: Features a built-in 2000 mAh lithium battery. Charges in 1 hour and provides up to 300 uses. Charge via USB cable using a laptop or power adapter. Includes 4 LED indicators to display battery level. Cordless design is ideal for indoor and outdoor use.HEAVY-DUTY HELICAL BLADE: Made from high-strength stainless steel, the durable helical blade withstands frequent use and lasts longer than standard blades. Designed to sharpen up to 3000 times.AUTO STOP FUNCTION: Automatically stops when the ideal point is reached. Avoid pressing too hard during sharpening. If broken lead gets stuck, insert a standard No. 2 graphite pencil and press down to clear the jam. The top-opening lid and large shavings container allow for easy, mess-free cleaning.