This 1-hole inner pencil sharpener is made of plastic. The blades are made of high-carbon steel, therefore long-lasting and very sharp. Dynamic torsion action built into each blade makes for a smoother, cleaner cut. The blade is protected against rust by polishing, cleaning, oil coating, etc. Compact and portable, suitable for school, home or office use. Sharpens regular and large size pencils. It comes in dome shape and three assorted ice colors. Available with pencil hole closses.