To use a whetstone you run the knife's blade back and forth across the stone's surface and due to the constant friction with the stone, which acts like a piece of sandpaper, the knife's edge becomes razor sharp and has a brilliant mirror shine. If you are a beginner at using a whetstone it can a take a while to master the sharpening process, so here is a video to help you with your sharpening stone skills.
Besides ceramic steels, there are also grinding steel that have a layer of diamond. The hard diamond grains ensure that you can quickly regrind your knives. Compared to a ceramic steel, the result slightly less refined. A disadvantage of a diamond steel is that over time the diamond grains may break out or crumble off, which causes the steel to lose it's sharpening quality.
This set of two Norton combination waterstones provides four grits and also includes a flattening stone as an added value. The 220, 1000, 4000 and 8000 grit sides will handle everything from aggressive shaping to final polishing. They are 8" long by 3" wide, big enough to handle most knives and tools easily. Our most popular waterstone kit, this has everything you need to both sharpen with waterstones and maintain the stones themselves. A great starter set.