General description For brilliant results every time, this 3-stage manual knife sharpener quickly and effectively keeps your kitchen knives sharp and restores dull blades to their former sharpness. It is suitable for both right and left-handed users and can sharpen straight edge steel kitchen knives as well as wide serrated knives, including those with hardened steel blades. Technical specifications 3-stage sharpening tool Materials: tungsten steel alloy, aeronautical ceramics Strong suction cup base for maximum grip Rubberized handle for comfort Non-slip rubber base for stability Other information Packing Details: 1 x Sharpener (Knife not included)