Stainless Steel Knife Sharpener for Double-Edged Blades, for Right and Left Handed Knives ★ Black and metal colors that easily match any kitchen (compared to yellow-green or red) ★ The whetstone part and the handle are separated for safety. ★ No cover, so it can be used immediately even when busy. Dimensions: Approximately 20.5 cm Materials: Sharpening part / Ceramic, Tungsten steel Bottom / EVA Body / Polypropylene, Stainless steel -------------- ◆ How to Use ● Insert the blade of the knife into the groove and pull it towards you with light force 4-5 times. (Do not sharpen back and forth) ● Use on a stable, flat surface. ● Be careful not to slip due to water or oil. ● Hold the handle firmly and do not bring your hand close to the blade of the knife. ① is the coarse grit (tungsten steel). ② and ③ are the fine grit (ceramic). ※ ② and ③ are the same fine grit. Use in the order of ① coarse grit → ②③ fine grit.