Work Sharp Ken Onion Knife Sharpener

Title: An Edge Above the Rest – Ken Onion Knife Sharpener Review

Rating: ★★★★☆ (4/5)

The world of knife sharpeners is vast, but when it comes to delivering precision and ease of use, the Ken Onion Knife Sharpener stands out as a top contender. Designed by renowned knife maker Ken Onion, this sharpener promises to breathe new life into your dull blades. After putting it to the test, here’s my review.


  1. Versatile Sharpening: The Ken Onion Knife Sharpener is exceptionally versatile. It can handle a wide range of knives, from kitchen knives and pocket knives to serrated blades and even hunting knives. This adaptability makes it a valuable tool for any home cook or outdoor enthusiast.

  2. Adjustable Sharpening Angles: One of the standout features of this sharpener is its adjustable sharpening angles. With a range from 15 to 30 degrees, you can sharpen your knives to meet your specific needs, whether it’s fine slicing or heavy chopping.

  3. Variable Speed Motor: The variable speed motor is a game-changer. It allows you to control the sharpening process, ensuring precision and preventing heat buildup, which can damage your blades. You can choose the optimal speed based on the type of knife you’re sharpening.

  4. User-Friendly Design: Ken Onion’s sharpener is well-designed with a comfortable handle and an intuitive control panel. It’s easy to operate, and even those with minimal sharpening experience will quickly grasp how to use it effectively.

  5. Quality Abrasives: This sharpener utilizes high-quality abrasive belts that can be easily interchanged. The belts come in various grits, enabling you to progress from coarse to fine sharpening stages, giving your blades a razor-sharp edge.


  1. Price: The Ken Onion Knife Sharpener is not the most budget-friendly option on the market. It’s an investment, and some may find it expensive compared to other sharpeners. However, considering its versatility and performance, it may be worth the price for avid knife users.

  2. Learning Curve: While the sharpener is user-friendly, there is a learning curve, especially if you’re new to knife sharpening. Achieving the perfect angle and honing technique may take some practice.

  3. Belt Replacement: Over time, the abrasive belts will wear out, and replacement belts can be pricey. Factor in the cost of replacement belts when considering the overall cost of ownership.

In conclusion, the Ken Onion Knife Sharpener is a top-tier sharpening tool that can revive and maintain the sharpness of your knives with ease. Its versatility, adjustable angles, and variable speed motor make it a valuable addition to any kitchen or workshop. While the initial investment may deter some, the quality and performance justify the price for serious knife enthusiasts. With a bit of practice, you’ll be sharpening your knives like a pro and enjoying precision cuts for years to come.