Material: ABS, alloy and ceramics. Size: 20.5cm x 7cm. Best Results: Recommend for once-a-week use or daily use to maintain the sharp edge. Product: Get this Kitchen Knife Sharpener today! Perfect: The perfect way to sharpen your kitchen knives with ease. Features: An ergonomic handle for better control and a comfy grip. Maintenance: Keep the blade or ceramic rod clean with a soft brush. Colour: Black. Kitchen Knife Sharpener | Living Social | Living Social