This scribble 2-hole inner sharpener is made of magnesium-alloy. 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. Metal sharpeners made of magnesium alloy, position pencil at more precise angle. This particular sharpener gives you two options for your pencil, one that produces a long and sharp point (for harder lead grades) and other that produces a shorter point (for softer lead grades). It comes with polystyrene container and pencil hole cover.