Stable Kitchen Knife Sharpener: Renew Your Knives Safely In Seconds Right On Your Countertop STABLE: This is the most stable countertop knife sharpener of its kind on the market. STABLE: Competitors' narrow bases can much more easily lead to slipping and injury. STABLE: Rubber, full non-slip wide base, comfortable grip handle easy for even low-strength users, automatic blade angle control, 3 separate sharpening slots for sharpening ceramic, very dull, or slightly dull knives. We don't often realize the problems dull knives cause in food preparation time, meal quality, and safety. This knife sharpener was designed to solve these problems in the safest way by focusing on sharpener stability. When dealing with knives close to your hands, the last thing you want is an unstable, narrow-based sharpener. THOUSANDS OF SATISFIED CUSTOMERS: Don't risk an unproven product, our stable knife sharpener comes with easy and clear instructions, works for thousands of sharpenings, and has thousands of thankful users who have found it even easier to use they expected.