Professional Manual knife sharpener, 2 Stage System - Coarse & Fine, Protable, Black This product features premium quality and durable, which is the prerequisite products of kitchen. The main body adopts ABS materials which complies with the food safety certification. The ceramic rods can be used for sharpening ceramic knife as well as fine sharpening; The tungsten blade is used for sharpening home kitchen knife. Solid and aesthetic integratedly; Small, easy to clean. The camber line is just comfortable to grip for your hands. The concave design is convenient to grip with hands and its feel good. The bottom is equipped with non-slip mat, use more secure.