PRECISION TWO-STAGE KNIFE SHARPENING: Superior sharpening and touch-ups for straight knife blades, this two-stage sharpener (7.5 x 2 x 2.25-inch) features a coarse carbide insert and a fine ceramic rod to sharpen dull and damaged knives then touch-up already sharp knives to maintain long-lasting cutting performance for any home or professional kitchen.ERGONOMIC GRIP: Open easy-grip handle design and non-slip base works left and right handed to provide balanced stability and optimal control with less hand fatigue to ensure smooth, effortless knife sharpening.PROFESSIONAL DESIGN: Coarse carbide insert sharpens dull and damaged knives, while the fine ceramic rod polishes or touches-up already sharp knives to maintain optimal cutting edge retention.BY IRON CHEF CAT CORA: This dual-action knife sharpener is brought to you by Cat Cora, Iron Chef's first female winner and Culinary Hall of Fame honoree, combining professional-grade performance with the elegance and expertise of a true culinary icon. Smooth slicing, from Cat's kitchen, to yours.LASTING DURABILITY & CARE: Wipes clean after each use. Built to deliver years of reliable sharpening performance. Another kitchen winner, from CatCora by Cutlery-Pro.