Ganzo Touch Pro Steel (GTPS) Sharpening System Do you think you might need a way to keep your knives and tools in tip-top shape, or why not change the edge to a different angle? Then the Ganzo Touch Pro Steel is a good choice for both beginners and experts. Regardless of the quality of the tool or knife, no edge lasts forever when you work with it, but it must be maintained. This sharpening system is ingenious in its simplicity - by locking the angle you get consistent sharpening of your edge easily. Works for most tools with edges - knives, chisels, scissors and much more. In addition, this system is complete right out of the box - you don't need anything else, everything is included. Stand and blade holder, 4 different stones in different grits from 120 to 1500, marker, microfiber cloth and a storage bag for the stones. A one-year warranty applies to this product.