Upgrade Kit for the E4, E5, E5-NH and Professional Kitchen Electric

Each sharpening machine from Work Sharp comes with a three-year warranty and is
designed, engineered, and calibrated at our 100% solar-powered facility in Ashland, Oregon.
We source our materials from the highest-caliber manufacturers and are committed to
eliminating single-use plastics from our supply chain. And you can count on our industry-leading
customer support for any of our Kitchen, Field, or Benchtop sharpeners.