This fast, three-stage professional sharpener has a powerful 125-watt motor and boasts all the functions you need to hone a sharp blade on straight-edge and serrated knives. The 100% diamond abrasives in the first two stages and revolutionary flexible stropping disks in stage three produce the exceptionally sharp and durable Trizor®-Plus edge. Precision, spring-action polymer guides exactly align the blade to ensure perfect results every time. Professional quality edges with amateur simplicity. Three-year warranty.Assembled in USA. Dimensions: 4" x 4.25" x 10".