For years, I use the Elsharp Turbo, the device is with me a much-used commodity. In house and kitchen there since long no dull knife or scissors more. Even in the garden he has served me well, thanks to its different grinding heads can I sharpen my whole garden shears and scythes without problems. Therefore, I can recommend the Elsharp with good conviction. ELSHARP-TURBO - electric blade - and Knife Sharpener