Brod & Taylor Knife Sharpener Pocket Sharpens both smooth and serrated knives. Same patented sharpening technology as the Professional stainless steel 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. Sharpen dull and damaged blades in seconds. Hone a razor sharp edge on even the finest knife blades. Folds to a compact size for storage, travel, outdoors, or chefs on the go. Locks shut to protect sharpeners. Sturdy ABS plastic construction. Measures 3 long and weighs 3.5 oz.