CHARD KS-2 Electric Knife Sharpener 2-Stage Sharpening System: Coarse for Sharpening and Fine for Polishing Non-slip Feet ensure that Sharpener stays in place while in use Mess-free Receptacles collect metal filings for easy clean up Prevent damage and ensure smooth effortless cuts Designed for straight edge blades only, not for use on scissors or serrated blades