PREMIUM MATERIAL: This Drawing Pencil Sharpeners is made of high quality zinc alloy spiral blade and ABS material, the sharper blade allows you to cut pencils faster and with less effort, and the pencil lead is not easy to break. QUIET AND NON-SLIP: The manual pencil sharpener is smooth and quiet in use. The bottom of the sketch pencil sharpener has a non-slip design, which can be stably placed on the desktop. It is very suitable for use in classrooms or other environments where there is no noise. LONG POINT PENCIL SHARPENER: The best option for longer and thinner pencil tips. This drawing pencil sharpeners will provide you with a 6mm-20mm long nib. The pencil sharpener has 7 types of nib size adjustment designs. The adjustment range of the nib thickness is: 0.6-1.5mm, which can be adjusted according to your own needs. If you need a finer nib, you can rub with the sandpaper included in the package. This pencil sharpener is specially designed for sketching and drawing pencils. EASY TO USE: This pencil sharpener is very easy to operate, just insert the pencil into the pen inlet of the holder, hold the pencil sharpener and turn the rocker clockwise, the pencil will start to move in the pencil sharpener with the rotation of the crank; when The resistance is reduced, which means that you have finished sharpening the pencil. Turn the rocker counterclockwise and the pencil will automatically exit. WIDE COMPATIBILITYThis adjustable pencil sharpener manual is designed for 6.5-8mm art pencils/drawing/sketching pencils/colored pencils/charcoal pencils, suitable for using in home, office, school, and more. An excellent gift for kids, students, designers and artists.