Presto EverSharp Electric Knife Sharpener – Link 
Amazon has this #1 best seller right now marked down to it’s lowest ever at just $19.72!
- Two-stage sharpening system quickly and easily sharpens most any non-serrated blade for professional results in the convenience of your home. (Presto knife sharpener is 120 volts)
- No guess sharpening; Precision blade guides position the kniffe at the ideal sharpening angle for perfect results every time
- Creates a razor sharp edge in seconds using Sapphirite sharpening wheels, the same ultra-hard material used by professional shops
- Stage 1- Precision grinding begins the sharpening process by creating a precisely angled edge
- Product Built to North American Electrical Standards