Electric Diamond Sharpener（For double-edged blades only）power supply：Four AA batteries（Sold separately）

This electric diamond sharpener can sharpen knives made of a variety of materials, from stainless steel and steel to ceramic and titanium. With electric power and a diamond whetstone, it quickly and thoroughly sharpens stainless steel, steel, ceramic and other knives. ※Easy-to-use new guide slot for beginners ※Just insert it into the guide (groove) and pull it to sharpen it easily. Material Body：ABS resin, polyacetal Whetstone：Industrial diamond #600 Power supply：4 alkaline AA batteries (sold separately) 【Note】 We cannot sharpen single-edged knives such as deba knives and sashimi knives, or special knives such as bread knives. ・It cannot sharpen knives with thick blades. ・The whetstone cannot be replaced.