"DESCRIPTION FEATURES: The Pivot PLUS Knife Sharpener is a fast, easy and effective way to sharpen any knife you own. Convex carbides quickly restore a sharp edge; while the fine grit ceramic rods hone the edge to factory level sharpness. Pivot response follows the curve of the blade when sharpening making it easier and more consistent. Tapered diamond rod is ideal for touching up serrations or fine edge tools. TECHNICAL DATA: N/A INCLUSIONS: N/A WARRANTY: 12 MONTHS COUNTRY OFORIGIN: USA REVIEWS"