Kum 303.41.21 2-Hole Magnesium Inner Sharpener with Aluminium Container, Colors Vary 2-Hole inner sharpener is made of magnesium The blade is protected against rust by polishing, cleaning, oil coating, etc 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 Comes with aluminium can and assorted ice cap colors