Grinding and sanding made easy - with a double wheel grinder from Einhell. These stationary tools are eminently suitable for sharpening of knives, scissors and tools. But they can also be used for polishing and sanding/grinding wood and metal. A double wheel grinder operates with two wheel-shaped grinding stones with different grit sizes. For grinding knives and blades, a wet-dry grinder is the ideal solution. With the upright belt grinder/sander, a perfect fine finish is completed on woods of all kinds in next to no time. An upright belt disk grinder/sander, on the other hand, is designed for the requirements of cabinet-making and model-making work.