Work Sharp Knife & Tool Sharpener Ken Onion Edition Review

Work Sharp WSKTS-KO Knife and Tool Sharpener

Work Sharp is part of the Darex family brand established in 1973. The company partnered with Ken Onion, the legendary hall of fame knife maker, to come up with this powerful knife sharpener, made of engineered polymer parts and cast metal. Ken Onion’s design uses flexible belts to achieve razor sharp edges.



​Work Sharp


​Electric Knife Sharpener




​4.04 pounds

​Product Dimensions:

​5.5 x 10 x 6 inches

Editor rating


User's rating

​5,708 review

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​That design, along with Work Sharp’s engineering, resulted in a quick stylish, easy way to sharpen your knives and tools consistently and precisely. The sharpener can be used with any knife including straight, serrated, hunting knives, pocket knives, and kitchen knives. Built in sharpening guides go from 15 to 30 degrees, and adjust in one degree increments. The heavy duty motor has variable speeds with a slow speed for honing, and a high speed for grinding, along with improved cooling. Flexible abrasive Norton belts will sharpen any blade that you own. Included are an extra coarse belt, coarse belt, medium belt, extra fine belt and fine belt. Also included is a scissor sharpening guide that will restore scissors. Not only can this sharpener be used on knives, but on a variety of tool blades.

Work Sharp WSKTS-KO Knife

​Customers love the variable speed setting and adjustable angle guides. Amazon customers rate the Work Sharp WSKTS-KO Knife and Tool Sharpener 4.6 out of 5. Several customers mentioned the time-saving element for people who don’t have patience for some of the manual sharpening systems. One customer had problems with the guides and said they kept moving but other customers did not face the same issue.  Reviewers noted that there is a small learning curve for people who have some experience sharpening knives. Generally customers were happy with this sharpener’s performance, and recommend it for people who need to keep their blades and tools sharp.