The Professional Electric Sharpener includes two grinding wheels, one fine and one coarse, and one stropping wheel that operates in reverse to remove burrs and thoroughly polish blades. Grinding wheels are positioned at the angles recommended for optimal sharpening by knife manufacturers. The Sharpener also has a magnetized drawer underneath unit to capture metal shavings. Comes with a limited one year warranty. - Black - UL, NSF listed - Voltage 120 - Height 4-1/4 in - Depth 5-3/4 in - Length 12-1/2 in - Sold per each