Stainless Steel Knife Sharpener for Double-Edged Blades, for Right and Left Handed Knives ★Color that easily matches any kitchen with black and metal (compared to yellow-green or red) ★The whetstone part and the handle are separated for safety. ★No cover, etc., so it can be used immediately even during busy times. Dimensions: Approximately 20.556cm Materials: Sharpening part / Ceramic, Tungsten steel Bottom / EVA Body / Polypropylene, Stainless steel -------------- ◆How to Use ❶ Place on a flat surface and hold the handle down. ❷ Insert the knife blade into the sharpening part and sharpen while pulling. ◆Precautions for Use ● Insert the knife blade 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 with water or oil. ● Hold the handle firmly and do not bring your hand close to the knife blade. ① is the coarse whetstone (tungsten steel). ② and ③ are the fine whetstones (ceramic). ※② and ③ are the same fine whetstone. Use in the order of ① coarse whetstone → ②③ fine whetstone.