Specifications > Material: Plastic with Stainless Steel handle > Dimensions: 24 cm (l) > Consists of two ceramic wheels- coarse and fine > White ceramic wheels is course > Pink ceramic wheels is fine > Sharpening grooves are not parallel > Whetstones have oblique angles to ensure razor sharp edges > Recommended for Global Knives > Can be used on other knives > Easy to use > Stainless Steel handle > Non-slip base > Ceramic wheels made in Japan