Ocunaris Serrated Knife Sharpener 2-Stage - Kitchen Stainless Steel Knife Sharpening Kit for Straight Blade and Serrated Knives (Black) Power 1.0HP, 750W Hmax 39ft, QMax 100GPM, 115V 60Hz 1.5" Unions included. Includes Air Switch Thermally protected, Low Noise, Air Cooled Motor High Strength Engineering Thermoplastic for Durability and Longevity UL/ETL Approved - 1 Year Manufacturer Warranty