Compatible with Sharp knives make cooking easier and safer. To keep your knives compatible with sharp enough to slice through tomatoes like butter, you need a great knife sharpener!: Just because your old knives are dull doesn’t mean you have to toss them in the trash. Give your knives a makeover and restore them to their former glory with this knife sharpener. Get the sharpest knife possible with Triple-Action Carbide Austrian Tungsten Edge Sharpener!: Standard fixed-edge sharpeners grind-down and destroy knives. This sharpener's unique design sharpens, hones, and polishes your knives into razor-compatible with sharp cutting tools. The secret is in the two independent spring-action arms made of ultra-hard tungsten carbide, which flexes and contours to any blade or angle. Now you can sharpen all your kitchen knives – standard, serrated, beveled – with one knife sharpener. UNIQUE DESIGN: Features two independent spring-action arms made of tungsten carbide that contour to your knife’s edge better than a knife sharpening stone;Its independent spring action arms make knives razor compatible with sharp in seconds. HIGH PERFORMANCE: Sharpens, hones, and polishes your old knives – give your chef knife and butcher knife a makeover; Sharpen, re-align and polish just by changing angle of the knife. Works equally on straight and serrated blades to maintain sharpness. WIDE USAGE: Professional and portable knife sharpener works on all types of knife blades, like standard, serrated, and beveled blades EASY OPERATION: Pull through tip down to cut a factory bevel, tip up to smooth and align the edge without removing metal. Press lightly for a fine blade. Press harder for a sturdy chopping blade.