Brod & Taylor Classic Knife Sharpener Triple-Action Austrian Tungsten Carbide Best knife sharpener for smooth and serrated knives. Sharpeners made in Austria. Sharpen dull and damaged blades in seconds. Hone a razor sharp edge on even the finest knife blades. Easily sharpen the complete edge of serrated knives. Also hone Japanese (left-hand) single bevel blades. Base constructed of rugged PA 66 Nylon. Tungsten-carbide sharpeners last over 5 years (replacements available). Sharpeners are exactly the same as stainless steel Professional model (KS-500) Precision tungsten-carbide sharpeners on patented spring-action bars adjust to the angle of the knife blade. Control the angle from 12 degrees for a super-sharp fillet knife to 20 degrees for a rugged chopping blade. Fastest and easiest way to sharpen any knife with superior USA patented technology. Proprietary Austrian Tungsten Carbide sharpeners auto-adjust to blade angle (12-20 deg). Dual-action sharpeners keep knives sharp without removing metal. Quality materials for quality results. Superior sharpening technology from Austria. Brd and Taylor patented system uses precision sharpeners with two edges. With lesser sharpeners, edges can be rough and scratched, high quality blades can be ruined. Brd and Taylor&#039;s radically new sharpening technique, borrowed from high-tech CNC metal machining. Tungsten carbide sharpeners ground to a specialized, precision shape and mounted on spring-action bars. Cuts precise factory bevel (12 to 20 deg), then polish and align bevel to a razor edge. Best way to sharpen without removing metal. Takes seconds to keep knives razor sharp. High quality sharpening and polishing made simple. Sharpener base is solid, rugged nylon - with easy to access directions on bottom. Not to be confused with other sharpeners, Brd and Taylor&#039;s proprietary sharpeners are sourced from a world-class manufacturer in Austria.