10 Best Sharpener Knives 2025 in the United States

The Chef'sChoice 15XV EdgeSelect Professional Electric Knife Sharpener is designed for those who want to convert their traditional 20-degree household knife edges to a sharper 15-degree edge. It features a 3-stage sharpening system with 100% diamond abrasives that can handle both straight edge and serrated knives. The advanced flexible spring guides ensure automatic adjustment and precise control over the sharpening angle, making it easy to use. Additionally, the sharpener has a simple on/off switch for convenience.

It's praised for its ability to provide a razor-sharp edge quickly, with the initial sharpening taking about a minute and resharpening only around 10 seconds. However, it is a bit bulky, weighing 4.19 pounds and measuring 10 inches in length. While suitable for most knife types, its specific 15-degree angle may not be ideal for those who prefer a different edge angle for specialized cutting tasks. It's a top choice for home cooks and professionals looking for a durable and efficient knife sharpener.

The Work Sharp Precision Adjust Elite Knife Sharpener stands out with its adjustable and customizable features. It offers an impressive range of seven abrasive grits: 220, 320, 400, 600, and 800 diamond, fine ceramic, and leather strop, which are useful for various sharpening needs, from re-profiling old blades to achieving a polished edge. The adjustable sharpening angle from 15-30 degrees enhances its versatility, accommodating hunting, serrated, and kitchen knives effectively.

The design facilitates easy and quick transitions between grits, making the sharpening process smoother and more efficient. The product is robustly built, evidenced by its stainless steel and plastic materials and weighs around 3 pounds, making it relatively portable. Additionally, it comes with a 3-year warranty, highlighting the manufacturer's confidence in its durability and quality.

The system’s size (14"L x 6.75"W x 5"H) may take up considerable counter space, and the initial setup might be slightly complex for beginners. However, this sharpener's comprehensive features and high-quality build make it a reliable choice for a wide range of knife sharpening needs.

The Work Sharp Professional Precision Adjust Knife Sharpener Tool is an advanced sharpening system designed for those who require precise and professional knife sharpening. Its standout feature is the adjustable sharpening angles, ranging from 15 to 30 degrees, which accommodates a wide variety of knives, including smaller pen knives. This adjustability, combined with the seven included abrasive grits, allows for a tailored sharpening experience that can cater to different blade needs.

The tool is constructed from durable metal, ensuring longevity and robust performance. It's also user-friendly due to its digital angle indicator, which helps you achieve the perfect sharpening angle easily. The inclusion of a three-year warranty reflects the manufacturer's confidence in the product's quality and reliability. Additionally, the product is designed, engineered, and calibrated in Oregon, which could be reassuring for those who prefer products made in the USA.

On the downside, the sharpener is relatively heavy at 7.7 pounds, which might make it less portable. Also, its price point and comprehensive features might be overkill for casual users who only need to sharpen knives occasionally. However, for professional chefs, culinary enthusiasts, or anyone who requires precision in their knife sharpening, this tool is an excellent investment.