Kyocera Electric Diamond Sharpener for Knives Sharpens Each Edge Multiple Times for Superior Requires 4 AA Batteries Suitable for Both Ceramic and

[Electric x Diamond Sharpening Stone] Use electric power and a diamond sharpening stone to sharpen your knives properly and thoroughly. [Easy to sharpen] Simply pull the blade towards you along the guide slot to easily sharpen it to a sharp point. [Can also sharpen ceramic knives] Because diamonds are harder than ceramics, it can sharpen not only metal knives (stainless steel, steel, titanium) but also Kyocera ceramic knives. Batteries (uses 4 AA alkaline batteries) are sold separately. Size: Main unit/15.5 x 9.8 x 7.3 cm, Weight: 260g, Country of origin: China Materials: Grinding wheel/Industrial diamond #600, Body/ABS resin/Polyacetal (Heat resistance temperature: 70 degrees Celsius)