Furi FUR626 Ozitech Diamond Fingers Pro Knife Sharpener Featuring 8 diamond-coated Ozitech fingers, this knife sharpener provides fast, easy, and professional results Eliminates error and guesswork of traditional sharpeners; sets edge bevels and professionally hones at the same time Compact and perfect for on-the-go chefs, home cooks, and outdoor enthusiasts Outer shell unfolds in seconds to provide a strong handle and safety guards Measures approximately 1 by 3-1/2 by 4-1/2 inches when folded