Kum 303.11.21 Polystyrene Pod 2-Hole Pencil Sharpener, Colors Vary 2-Hole pencil sharpener is made of polystyrene 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 Polystyrene sharpeners position pencil at more precise angle Available in three assorted color